Home / 312,227.15-430,581.02-207,265.46

Finding the Fourth Proportional to 312,227.15, 430,581.02 and 207,265.46

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Solution

The fourth proportional to 312,227.15, 430,581.02 and 207,265.46 is: 285,832.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,227.15 : 430,581.02 = 207,265.46 : x
  2. Step 2: Convert to fraction form
    312,227.15/430,581.02 = 207,265.46/x
  3. Step 3: Cross multiply
    312,227.15x = 430,581.02 × 207,265.46
  4. Step 4: Simplify right side
    312,227.15x = 89,244,569,988.34
  5. Step 5: Solve for x
    x = 89,244,569,988.34/312,227.15
  6. Step 6: Final answer
    x = 285,832.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.