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Finding the Fourth Proportional to 303,539.86, 418,882.66 and 167,574

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Solution

The fourth proportional to 303,539.86, 418,882.66 and 167,574 is: 231,250.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,539.86 : 418,882.66 = 167,574 : x
  2. Step 2: Convert to fraction form
    303,539.86/418,882.66 = 167,574/x
  3. Step 3: Cross multiply
    303,539.86x = 418,882.66 × 167,574
  4. Step 4: Simplify right side
    303,539.86x = 70,193,842,447.91
  5. Step 5: Solve for x
    x = 70,193,842,447.91/303,539.86
  6. Step 6: Final answer
    x = 231,250.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.