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Finding the Fourth Proportional to 149,949.60, 224,949.60 and 44,779.20

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Solution

The fourth proportional to 149,949.60, 224,949.60 and 44,779.20 is: 67,176.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,949.60 : 224,949.60 = 44,779.20 : x
  2. Step 2: Convert to fraction form
    149,949.60/224,949.60 = 44,779.20/x
  3. Step 3: Cross multiply
    149,949.60x = 224,949.60 × 44,779.20
  4. Step 4: Simplify right side
    149,949.60x = 10,073,063,128.32
  5. Step 5: Solve for x
    x = 10,073,063,128.32/149,949.60
  6. Step 6: Final answer
    x = 67,176.33

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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.