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Finding the Fourth Proportional to 371,365.52, 557,047.32 and 134,707.76

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Solution

The fourth proportional to 371,365.52, 557,047.32 and 134,707.76 is: 202,061.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,365.52 : 557,047.32 = 134,707.76 : x
  2. Step 2: Convert to fraction form
    371,365.52/557,047.32 = 134,707.76/x
  3. Step 3: Cross multiply
    371,365.52x = 557,047.32 × 134,707.76
  4. Step 4: Simplify right side
    371,365.52x = 75,038,596,691.20
  5. Step 5: Solve for x
    x = 75,038,596,691.20/371,365.52
  6. Step 6: Final answer
    x = 202,061.29

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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.