Home / 495,434.72-743,152.07-140,451.81

Finding the Fourth Proportional to 495,434.72, 743,152.07 and 140,451.81

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Solution

The fourth proportional to 495,434.72, 743,152.07 and 140,451.81 is: 210,677.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,434.72 : 743,152.07 = 140,451.81 : x
  2. Step 2: Convert to fraction form
    495,434.72/743,152.07 = 140,451.81/x
  3. Step 3: Cross multiply
    495,434.72x = 743,152.07 × 140,451.81
  4. Step 4: Simplify right side
    495,434.72x = 104,377,052,634.49
  5. Step 5: Solve for x
    x = 104,377,052,634.49/495,434.72
  6. Step 6: Final answer
    x = 210,677.71

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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.