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Finding the Fourth Proportional to 423,940.56, 636,004.24 and 234,677

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Solution

The fourth proportional to 423,940.56, 636,004.24 and 234,677 is: 352,067.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,940.56 : 636,004.24 = 234,677 : x
  2. Step 2: Convert to fraction form
    423,940.56/636,004.24 = 234,677/x
  3. Step 3: Cross multiply
    423,940.56x = 636,004.24 × 234,677
  4. Step 4: Simplify right side
    423,940.56x = 149,255,567,030.48
  5. Step 5: Solve for x
    x = 149,255,567,030.48/423,940.56
  6. Step 6: Final answer
    x = 352,067.20

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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.