Home / 206,917.52-310,327.07-57,154.49

Finding the Fourth Proportional to 206,917.52, 310,327.07 and 57,154.49

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Solution

The fourth proportional to 206,917.52, 310,327.07 and 57,154.49 is: 85,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,917.52 : 310,327.07 = 57,154.49 : x
  2. Step 2: Convert to fraction form
    206,917.52/310,327.07 = 57,154.49/x
  3. Step 3: Cross multiply
    206,917.52x = 310,327.07 × 57,154.49
  4. Step 4: Simplify right side
    206,917.52x = 17,736,586,337.75
  5. Step 5: Solve for x
    x = 17,736,586,337.75/206,917.52
  6. Step 6: Final answer
    x = 85,718.15

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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.