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Finding the Fourth Proportional to 424,113.48, 635,337.90 and 246,247.56

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Solution

The fourth proportional to 424,113.48, 635,337.90 and 246,247.56 is: 368,888.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,113.48 : 635,337.90 = 246,247.56 : x
  2. Step 2: Convert to fraction form
    424,113.48/635,337.90 = 246,247.56/x
  3. Step 3: Cross multiply
    424,113.48x = 635,337.90 × 246,247.56
  4. Step 4: Simplify right side
    424,113.48x = 156,450,407,650.52
  5. Step 5: Solve for x
    x = 156,450,407,650.52/424,113.48
  6. Step 6: Final answer
    x = 368,888.08

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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.