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Finding the Fourth Proportional to 418,500.96, 577,542.72 and 227,527.52

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Solution

The fourth proportional to 418,500.96, 577,542.72 and 227,527.52 is: 313,994.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,500.96 : 577,542.72 = 227,527.52 : x
  2. Step 2: Convert to fraction form
    418,500.96/577,542.72 = 227,527.52/x
  3. Step 3: Cross multiply
    418,500.96x = 577,542.72 × 227,527.52
  4. Step 4: Simplify right side
    418,500.96x = 131,406,862,775.65
  5. Step 5: Solve for x
    x = 131,406,862,775.65/418,500.96
  6. Step 6: Final answer
    x = 313,994.17

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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.