Home / 318,257.28-477,284.88-107,845.92

Finding the Fourth Proportional to 318,257.28, 477,284.88 and 107,845.92

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Solution

The fourth proportional to 318,257.28, 477,284.88 and 107,845.92 is: 161,734.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,257.28 : 477,284.88 = 107,845.92 : x
  2. Step 2: Convert to fraction form
    318,257.28/477,284.88 = 107,845.92/x
  3. Step 3: Cross multiply
    318,257.28x = 477,284.88 × 107,845.92
  4. Step 4: Simplify right side
    318,257.28x = 51,473,226,985.69
  5. Step 5: Solve for x
    x = 51,473,226,985.69/318,257.28
  6. Step 6: Final answer
    x = 161,734.64

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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.