Home / 354,499.20-531,748.80-88,257.60

Finding the Fourth Proportional to 354,499.20, 531,748.80 and 88,257.60

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Solution

The fourth proportional to 354,499.20, 531,748.80 and 88,257.60 is: 132,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,499.20 : 531,748.80 = 88,257.60 : x
  2. Step 2: Convert to fraction form
    354,499.20/531,748.80 = 88,257.60/x
  3. Step 3: Cross multiply
    354,499.20x = 531,748.80 × 88,257.60
  4. Step 4: Simplify right side
    354,499.20x = 46,930,872,890.88
  5. Step 5: Solve for x
    x = 46,930,872,890.88/354,499.20
  6. Step 6: Final answer
    x = 132,386.40

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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.