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Finding the Fourth Proportional to 323,202.76, 445,898.72 and 187,187.15

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Solution

The fourth proportional to 323,202.76, 445,898.72 and 187,187.15 is: 258,248.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,202.76 : 445,898.72 = 187,187.15 : x
  2. Step 2: Convert to fraction form
    323,202.76/445,898.72 = 187,187.15/x
  3. Step 3: Cross multiply
    323,202.76x = 445,898.72 × 187,187.15
  4. Step 4: Simplify right side
    323,202.76x = 83,466,512,168.16
  5. Step 5: Solve for x
    x = 83,466,512,168.16/323,202.76
  6. Step 6: Final answer
    x = 258,248.14

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1.5x scale

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.