Home / 495,501.43-743,092.20-140,420.11

Finding the Fourth Proportional to 495,501.43, 743,092.20 and 140,420.11

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Solution

The fourth proportional to 495,501.43, 743,092.20 and 140,420.11 is: 210,584.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,501.43 : 743,092.20 = 140,420.11 : x
  2. Step 2: Convert to fraction form
    495,501.43/743,092.20 = 140,420.11/x
  3. Step 3: Cross multiply
    495,501.43x = 743,092.20 × 140,420.11
  4. Step 4: Simplify right side
    495,501.43x = 104,345,088,464.14
  5. Step 5: Solve for x
    x = 104,345,088,464.14/495,501.43
  6. Step 6: Final answer
    x = 210,584.84

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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.