Home / 407,723.16-611,565.12-137,833.32

Finding the Fourth Proportional to 407,723.16, 611,565.12 and 137,833.32

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Solution

The fourth proportional to 407,723.16, 611,565.12 and 137,833.32 is: 206,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,723.16 : 611,565.12 = 137,833.32 : x
  2. Step 2: Convert to fraction form
    407,723.16/611,565.12 = 137,833.32/x
  3. Step 3: Cross multiply
    407,723.16x = 611,565.12 × 137,833.32
  4. Step 4: Simplify right side
    407,723.16x = 84,294,050,885.80
  5. Step 5: Solve for x
    x = 84,294,050,885.80/407,723.16
  6. Step 6: Final answer
    x = 206,743.35

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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.