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Finding the Fourth Proportional to 149,000.80, 223,479.60 and 43,808.80

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Solution

The fourth proportional to 149,000.80, 223,479.60 and 43,808.80 is: 65,706.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,000.80 : 223,479.60 = 43,808.80 : x
  2. Step 2: Convert to fraction form
    149,000.80/223,479.60 = 43,808.80/x
  3. Step 3: Cross multiply
    149,000.80x = 223,479.60 × 43,808.80
  4. Step 4: Simplify right side
    149,000.80x = 9,790,373,100.48
  5. Step 5: Solve for x
    x = 9,790,373,100.48/149,000.80
  6. Step 6: Final answer
    x = 65,706.85

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1.5x scale

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.