Home / 572,002.11-858,229.16-217,110.33

Finding the Fourth Proportional to 572,002.11, 858,229.16 and 217,110.33

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Solution

The fourth proportional to 572,002.11, 858,229.16 and 217,110.33 is: 325,751.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,002.11 : 858,229.16 = 217,110.33 : x
  2. Step 2: Convert to fraction form
    572,002.11/858,229.16 = 217,110.33/x
  3. Step 3: Cross multiply
    572,002.11x = 858,229.16 × 217,110.33
  4. Step 4: Simplify right side
    572,002.11x = 186,330,416,143.22
  5. Step 5: Solve for x
    x = 186,330,416,143.22/572,002.11
  6. Step 6: Final answer
    x = 325,751.27

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.