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Finding the Fourth Proportional to 230,779.68, 318,454.39 and 133,957.85

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Solution

The fourth proportional to 230,779.68, 318,454.39 and 133,957.85 is: 184,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,779.68 : 318,454.39 = 133,957.85 : x
  2. Step 2: Convert to fraction form
    230,779.68/318,454.39 = 133,957.85/x
  3. Step 3: Cross multiply
    230,779.68x = 318,454.39 × 133,957.85
  4. Step 4: Simplify right side
    230,779.68x = 42,659,465,020.43
  5. Step 5: Solve for x
    x = 42,659,465,020.43/230,779.68
  6. Step 6: Final answer
    x = 184,849.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.