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Finding the Fourth Proportional to 303,454.74, 418,909.24 and 176,105.72

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Solution

The fourth proportional to 303,454.74, 418,909.24 and 176,105.72 is: 243,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,454.74 : 418,909.24 = 176,105.72 : x
  2. Step 2: Convert to fraction form
    303,454.74/418,909.24 = 176,105.72/x
  3. Step 3: Cross multiply
    303,454.74x = 418,909.24 × 176,105.72
  4. Step 4: Simplify right side
    303,454.74x = 73,772,313,324.85
  5. Step 5: Solve for x
    x = 73,772,313,324.85/303,454.74
  6. Step 6: Final answer
    x = 243,108.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.