Home / 297,167.28-445,789.80-156,931.44

Finding the Fourth Proportional to 297,167.28, 445,789.80 and 156,931.44

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Solution

The fourth proportional to 297,167.28, 445,789.80 and 156,931.44 is: 235,417.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,167.28 : 445,789.80 = 156,931.44 : x
  2. Step 2: Convert to fraction form
    297,167.28/445,789.80 = 156,931.44/x
  3. Step 3: Cross multiply
    297,167.28x = 445,789.80 × 156,931.44
  4. Step 4: Simplify right side
    297,167.28x = 69,958,435,251.31
  5. Step 5: Solve for x
    x = 69,958,435,251.31/297,167.28
  6. Step 6: Final answer
    x = 235,417.69

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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.