Home / 495,500.43-743,090.70-140,419.11

Finding the Fourth Proportional to 495,500.43, 743,090.70 and 140,419.11

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Solution

The fourth proportional to 495,500.43, 743,090.70 and 140,419.11 is: 210,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,500.43 : 743,090.70 = 140,419.11 : x
  2. Step 2: Convert to fraction form
    495,500.43/743,090.70 = 140,419.11/x
  3. Step 3: Cross multiply
    495,500.43x = 743,090.70 × 140,419.11
  4. Step 4: Simplify right side
    495,500.43x = 104,344,134,743.28
  5. Step 5: Solve for x
    x = 104,344,134,743.28/495,500.43
  6. Step 6: Final answer
    x = 210,583.34

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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.