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Finding the Fourth Proportional to 302,883.45, 453,833.10 and 252,691.80

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Solution

The fourth proportional to 302,883.45, 453,833.10 and 252,691.80 is: 378,627.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,883.45 : 453,833.10 = 252,691.80 : x
  2. Step 2: Convert to fraction form
    302,883.45/453,833.10 = 252,691.80/x
  3. Step 3: Cross multiply
    302,883.45x = 453,833.10 × 252,691.80
  4. Step 4: Simplify right side
    302,883.45x = 114,679,902,938.58
  5. Step 5: Solve for x
    x = 114,679,902,938.58/302,883.45
  6. Step 6: Final answer
    x = 378,627.17

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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.