Home / 217,705.06-326,561.06-82,771.19

Finding the Fourth Proportional to 217,705.06, 326,561.06 and 82,771.19

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Solution

The fourth proportional to 217,705.06, 326,561.06 and 82,771.19 is: 124,158.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,705.06 : 326,561.06 = 82,771.19 : x
  2. Step 2: Convert to fraction form
    217,705.06/326,561.06 = 82,771.19/x
  3. Step 3: Cross multiply
    217,705.06x = 326,561.06 × 82,771.19
  4. Step 4: Simplify right side
    217,705.06x = 27,029,847,130.01
  5. Step 5: Solve for x
    x = 27,029,847,130.01/217,705.06
  6. Step 6: Final answer
    x = 124,158.10

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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.