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Finding the Fourth Proportional to 243,732.52, 336,382.20 and 136,308.52

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Solution

The fourth proportional to 243,732.52, 336,382.20 and 136,308.52 is: 188,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,732.52 : 336,382.20 = 136,308.52 : x
  2. Step 2: Convert to fraction form
    243,732.52/336,382.20 = 136,308.52/x
  3. Step 3: Cross multiply
    243,732.52x = 336,382.20 × 136,308.52
  4. Step 4: Simplify right side
    243,732.52x = 45,851,759,836.34
  5. Step 5: Solve for x
    x = 45,851,759,836.34/243,732.52
  6. Step 6: Final answer
    x = 188,123.27

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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.