Home / 267,891.23-401,557.38-90,337.19

Finding the Fourth Proportional to 267,891.23, 401,557.38 and 90,337.19

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Solution

The fourth proportional to 267,891.23, 401,557.38 and 90,337.19 is: 135,411.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,891.23 : 401,557.38 = 90,337.19 : x
  2. Step 2: Convert to fraction form
    267,891.23/401,557.38 = 90,337.19/x
  3. Step 3: Cross multiply
    267,891.23x = 401,557.38 × 90,337.19
  4. Step 4: Simplify right side
    267,891.23x = 36,275,565,332.96
  5. Step 5: Solve for x
    x = 36,275,565,332.96/267,891.23
  6. Step 6: Final answer
    x = 135,411.54

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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.