Home / 418,114.28-577,002.02-227,131.40

Finding the Fourth Proportional to 418,114.28, 577,002.02 and 227,131.40

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Solution

The fourth proportional to 418,114.28, 577,002.02 and 227,131.40 is: 313,443.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,114.28 : 577,002.02 = 227,131.40 : x
  2. Step 2: Convert to fraction form
    418,114.28/577,002.02 = 227,131.40/x
  3. Step 3: Cross multiply
    418,114.28x = 577,002.02 × 227,131.40
  4. Step 4: Simplify right side
    418,114.28x = 131,055,276,605.43
  5. Step 5: Solve for x
    x = 131,055,276,605.43/418,114.28
  6. Step 6: Final answer
    x = 313,443.68

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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.