Home / 495,508.16-743,265.60-121,531.04

Finding the Fourth Proportional to 495,508.16, 743,265.60 and 121,531.04

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Solution

The fourth proportional to 495,508.16, 743,265.60 and 121,531.04 is: 182,297.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,508.16 : 743,265.60 = 121,531.04 : x
  2. Step 2: Convert to fraction form
    495,508.16/743,265.60 = 121,531.04/x
  3. Step 3: Cross multiply
    495,508.16x = 743,265.60 × 121,531.04
  4. Step 4: Simplify right side
    495,508.16x = 90,329,841,364.22
  5. Step 5: Solve for x
    x = 90,329,841,364.22/495,508.16
  6. Step 6: Final answer
    x = 182,297.38

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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.