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Finding the Fourth Proportional to 361,531.08, 498,653.82 and 238,881.39

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Solution

The fourth proportional to 361,531.08, 498,653.82 and 238,881.39 is: 329,485.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,531.08 : 498,653.82 = 238,881.39 : x
  2. Step 2: Convert to fraction form
    361,531.08/498,653.82 = 238,881.39/x
  3. Step 3: Cross multiply
    361,531.08x = 498,653.82 × 238,881.39
  4. Step 4: Simplify right side
    361,531.08x = 119,119,117,650.41
  5. Step 5: Solve for x
    x = 119,119,117,650.41/361,531.08
  6. Step 6: Final answer
    x = 329,485.14

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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.