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Finding the Fourth Proportional to 418,228.80, 577,156.32 and 227,244.48

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Solution

The fourth proportional to 418,228.80, 577,156.32 and 227,244.48 is: 313,597.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,228.80 : 577,156.32 = 227,244.48 : x
  2. Step 2: Convert to fraction form
    418,228.80/577,156.32 = 227,244.48/x
  3. Step 3: Cross multiply
    418,228.80x = 577,156.32 × 227,244.48
  4. Step 4: Simplify right side
    418,228.80x = 131,155,587,817.11
  5. Step 5: Solve for x
    x = 131,155,587,817.11/418,228.80
  6. Step 6: Final answer
    x = 313,597.70

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