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Finding the Fourth Proportional to 223,634.92, 335,607.90 and 144,553

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Solution

The fourth proportional to 223,634.92, 335,607.90 and 144,553 is: 216,930.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,634.92 : 335,607.90 = 144,553 : x
  2. Step 2: Convert to fraction form
    223,634.92/335,607.90 = 144,553/x
  3. Step 3: Cross multiply
    223,634.92x = 335,607.90 × 144,553
  4. Step 4: Simplify right side
    223,634.92x = 48,513,128,768.70
  5. Step 5: Solve for x
    x = 48,513,128,768.70/223,634.92
  6. Step 6: Final answer
    x = 216,930.02

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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.