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Finding the Fourth Proportional to 279,301.59, 418,898.32 and 108,523.01

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Solution

The fourth proportional to 279,301.59, 418,898.32 and 108,523.01 is: 162,763.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,301.59 : 418,898.32 = 108,523.01 : x
  2. Step 2: Convert to fraction form
    279,301.59/418,898.32 = 108,523.01/x
  3. Step 3: Cross multiply
    279,301.59x = 418,898.32 × 108,523.01
  4. Step 4: Simplify right side
    279,301.59x = 45,460,107,346.28
  5. Step 5: Solve for x
    x = 45,460,107,346.28/279,301.59
  6. Step 6: Final answer
    x = 162,763.51

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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.