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Finding the Fourth Proportional to 179,249.80, 268,874.70 and 176,139.40

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Solution

The fourth proportional to 179,249.80, 268,874.70 and 176,139.40 is: 264,209.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,249.80 : 268,874.70 = 176,139.40 : x
  2. Step 2: Convert to fraction form
    179,249.80/268,874.70 = 176,139.40/x
  3. Step 3: Cross multiply
    179,249.80x = 268,874.70 × 176,139.40
  4. Step 4: Simplify right side
    179,249.80x = 47,359,428,333.18
  5. Step 5: Solve for x
    x = 47,359,428,333.18/179,249.80
  6. Step 6: Final answer
    x = 264,209.10

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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.