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Finding the Fourth Proportional to 361,531.33, 498,654.15 and 238,881.63

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Solution

The fourth proportional to 361,531.33, 498,654.15 and 238,881.63 is: 329,485.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,531.33 : 498,654.15 = 238,881.63 : x
  2. Step 2: Convert to fraction form
    361,531.33/498,654.15 = 238,881.63/x
  3. Step 3: Cross multiply
    361,531.33x = 498,654.15 × 238,881.63
  4. Step 4: Simplify right side
    361,531.33x = 119,119,316,158.27
  5. Step 5: Solve for x
    x = 119,119,316,158.27/361,531.33
  6. Step 6: Final answer
    x = 329,485.46

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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.