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Finding the Fourth Proportional to 337,557.70, 506,038.56 and 127,343.26

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Solution

The fourth proportional to 337,557.70, 506,038.56 and 127,343.26 is: 190,902.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,557.70 : 506,038.56 = 127,343.26 : x
  2. Step 2: Convert to fraction form
    337,557.70/506,038.56 = 127,343.26/x
  3. Step 3: Cross multiply
    337,557.70x = 506,038.56 × 127,343.26
  4. Step 4: Simplify right side
    337,557.70x = 64,440,599,916.11
  5. Step 5: Solve for x
    x = 64,440,599,916.11/337,557.70
  6. Step 6: Final answer
    x = 190,902.47

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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.