Home / 472,406.31-708,645.01-135,444.29

Finding the Fourth Proportional to 472,406.31, 708,645.01 and 135,444.29

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Solution

The fourth proportional to 472,406.31, 708,645.01 and 135,444.29 is: 203,176.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,406.31 : 708,645.01 = 135,444.29 : x
  2. Step 2: Convert to fraction form
    472,406.31/708,645.01 = 135,444.29/x
  3. Step 3: Cross multiply
    472,406.31x = 708,645.01 × 135,444.29
  4. Step 4: Simplify right side
    472,406.31x = 95,981,920,241.49
  5. Step 5: Solve for x
    x = 95,981,920,241.49/472,406.31
  6. Step 6: Final answer
    x = 203,176.63

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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.