Home / 495,148.89-742,999.25-267,439.92

Finding the Fourth Proportional to 495,148.89, 742,999.25 and 267,439.92

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Solution

The fourth proportional to 495,148.89, 742,999.25 and 267,439.92 is: 401,308.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,148.89 : 742,999.25 = 267,439.92 : x
  2. Step 2: Convert to fraction form
    495,148.89/742,999.25 = 267,439.92/x
  3. Step 3: Cross multiply
    495,148.89x = 742,999.25 × 267,439.92
  4. Step 4: Simplify right side
    495,148.89x = 198,707,659,980.06
  5. Step 5: Solve for x
    x = 198,707,659,980.06/495,148.89
  6. Step 6: Final answer
    x = 401,308.91

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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.