Home / 247,541.60-371,312.40-146,502.20

Finding the Fourth Proportional to 247,541.60, 371,312.40 and 146,502.20

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Solution

The fourth proportional to 247,541.60, 371,312.40 and 146,502.20 is: 219,753.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,541.60 : 371,312.40 = 146,502.20 : x
  2. Step 2: Convert to fraction form
    247,541.60/371,312.40 = 146,502.20/x
  3. Step 3: Cross multiply
    247,541.60x = 371,312.40 × 146,502.20
  4. Step 4: Simplify right side
    247,541.60x = 54,398,083,487.28
  5. Step 5: Solve for x
    x = 54,398,083,487.28/247,541.60
  6. Step 6: Final answer
    x = 219,753.30

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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.