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Finding the Fourth Proportional to 495,251.18, 742,148.54 and 292,639

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Solution

The fourth proportional to 495,251.18, 742,148.54 and 292,639 is: 438,528.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,251.18 : 742,148.54 = 292,639 : x
  2. Step 2: Convert to fraction form
    495,251.18/742,148.54 = 292,639/x
  3. Step 3: Cross multiply
    495,251.18x = 742,148.54 × 292,639
  4. Step 4: Simplify right side
    495,251.18x = 217,181,606,597.06
  5. Step 5: Solve for x
    x = 217,181,606,597.06/495,251.18
  6. Step 6: Final answer
    x = 438,528.20

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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.