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Finding the Fourth Proportional to 296,290.80, 444,047.40 and 118,652.40

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Solution

The fourth proportional to 296,290.80, 444,047.40 and 118,652.40 is: 177,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,290.80 : 444,047.40 = 118,652.40 : x
  2. Step 2: Convert to fraction form
    296,290.80/444,047.40 = 118,652.40/x
  3. Step 3: Cross multiply
    296,290.80x = 444,047.40 × 118,652.40
  4. Step 4: Simplify right side
    296,290.80x = 52,687,289,723.76
  5. Step 5: Solve for x
    x = 52,687,289,723.76/296,290.80
  6. Step 6: Final answer
    x = 177,822.90

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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.