Home / 495,468-743,239.08-140,510.61

Finding the Fourth Proportional to 495,468, 743,239.08 and 140,510.61

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Solution

The fourth proportional to 495,468, 743,239.08 and 140,510.61 is: 210,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,468 : 743,239.08 = 140,510.61 : x
  2. Step 2: Convert to fraction form
    495,468/743,239.08 = 140,510.61/x
  3. Step 3: Cross multiply
    495,468x = 743,239.08 × 140,510.61
  4. Step 4: Simplify right side
    495,468x = 104,432,976,506.64
  5. Step 5: Solve for x
    x = 104,432,976,506.64/495,468
  6. Step 6: Final answer
    x = 210,776.43

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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.