Home / 418,735.21-577,849.20-227,748.61

Finding the Fourth Proportional to 418,735.21, 577,849.20 and 227,748.61

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Solution

The fourth proportional to 418,735.21, 577,849.20 and 227,748.61 is: 314,290.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,735.21 : 577,849.20 = 227,748.61 : x
  2. Step 2: Convert to fraction form
    418,735.21/577,849.20 = 227,748.61/x
  3. Step 3: Cross multiply
    418,735.21x = 577,849.20 × 227,748.61
  4. Step 4: Simplify right side
    418,735.21x = 131,604,352,089.61
  5. Step 5: Solve for x
    x = 131,604,352,089.61/418,735.21
  6. Step 6: Final answer
    x = 314,290.15

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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.