Home / 500,435.20-750,568.32-140,523.52

Finding the Fourth Proportional to 500,435.20, 750,568.32 and 140,523.52

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Solution

The fourth proportional to 500,435.20, 750,568.32 and 140,523.52 is: 210,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,435.20 : 750,568.32 = 140,523.52 : x
  2. Step 2: Convert to fraction form
    500,435.20/750,568.32 = 140,523.52/x
  3. Step 3: Cross multiply
    500,435.20x = 750,568.32 × 140,523.52
  4. Step 4: Simplify right side
    500,435.20x = 105,472,502,326.89
  5. Step 5: Solve for x
    x = 105,472,502,326.89/500,435.20
  6. Step 6: Final answer
    x = 210,761.56

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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.