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Finding the Fourth Proportional to 242,553.80, 363,881.10 and 102,313.64

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Solution

The fourth proportional to 242,553.80, 363,881.10 and 102,313.64 is: 153,491.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,553.80 : 363,881.10 = 102,313.64 : x
  2. Step 2: Convert to fraction form
    242,553.80/363,881.10 = 102,313.64/x
  3. Step 3: Cross multiply
    242,553.80x = 363,881.10 × 102,313.64
  4. Step 4: Simplify right side
    242,553.80x = 37,230,001,161.58
  5. Step 5: Solve for x
    x = 37,230,001,161.58/242,553.80
  6. Step 6: Final answer
    x = 153,491.72

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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.