Home / 445,254.30-667,881.45-178,877.70

Finding the Fourth Proportional to 445,254.30, 667,881.45 and 178,877.70

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Solution

The fourth proportional to 445,254.30, 667,881.45 and 178,877.70 is: 268,316.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,254.30 : 667,881.45 = 178,877.70 : x
  2. Step 2: Convert to fraction form
    445,254.30/667,881.45 = 178,877.70/x
  3. Step 3: Cross multiply
    445,254.30x = 667,881.45 × 178,877.70
  4. Step 4: Simplify right side
    445,254.30x = 119,469,097,648.67
  5. Step 5: Solve for x
    x = 119,469,097,648.67/445,254.30
  6. Step 6: Final answer
    x = 268,316.55

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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.