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Finding the Fourth Proportional to 424,650.52, 586,033.88 and 243,397.42

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Solution

The fourth proportional to 424,650.52, 586,033.88 and 243,397.42 is: 335,897.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,650.52 : 586,033.88 = 243,397.42 : x
  2. Step 2: Convert to fraction form
    424,650.52/586,033.88 = 243,397.42/x
  3. Step 3: Cross multiply
    424,650.52x = 586,033.88 × 243,397.42
  4. Step 4: Simplify right side
    424,650.52x = 142,639,136,408.07
  5. Step 5: Solve for x
    x = 142,639,136,408.07/424,650.52
  6. Step 6: Final answer
    x = 335,897.71

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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.