Home / 217,005.40-325,002.66-211,026.16

Finding the Fourth Proportional to 217,005.40, 325,002.66 and 211,026.16

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Solution

The fourth proportional to 217,005.40, 325,002.66 and 211,026.16 is: 316,047.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,005.40 : 325,002.66 = 211,026.16 : x
  2. Step 2: Convert to fraction form
    217,005.40/325,002.66 = 211,026.16/x
  3. Step 3: Cross multiply
    217,005.40x = 325,002.66 × 211,026.16
  4. Step 4: Simplify right side
    217,005.40x = 68,584,063,329.59
  5. Step 5: Solve for x
    x = 68,584,063,329.59/217,005.40
  6. Step 6: Final answer
    x = 316,047.73

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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.