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Finding the Fourth Proportional to 149,246.80, 223,810.80 and 49,379.20

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Solution

The fourth proportional to 149,246.80, 223,810.80 and 49,379.20 is: 74,049.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,246.80 : 223,810.80 = 49,379.20 : x
  2. Step 2: Convert to fraction form
    149,246.80/223,810.80 = 49,379.20/x
  3. Step 3: Cross multiply
    149,246.80x = 223,810.80 × 49,379.20
  4. Step 4: Simplify right side
    149,246.80x = 11,051,598,255.36
  5. Step 5: Solve for x
    x = 11,051,598,255.36/149,246.80
  6. Step 6: Final answer
    x = 74,049.15

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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.