Home / 516,739.32-775,058.85-156,913.29

Finding the Fourth Proportional to 516,739.32, 775,058.85 and 156,913.29

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Solution

The fourth proportional to 516,739.32, 775,058.85 and 156,913.29 is: 235,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,739.32 : 775,058.85 = 156,913.29 : x
  2. Step 2: Convert to fraction form
    516,739.32/775,058.85 = 156,913.29/x
  3. Step 3: Cross multiply
    516,739.32x = 775,058.85 × 156,913.29
  4. Step 4: Simplify right side
    516,739.32x = 121,617,034,097.12
  5. Step 5: Solve for x
    x = 121,617,034,097.12/516,739.32
  6. Step 6: Final answer
    x = 235,354.71

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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.