Home / 418,818.11-577,968.53-227,831.04

Finding the Fourth Proportional to 418,818.11, 577,968.53 and 227,831.04

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Solution

The fourth proportional to 418,818.11, 577,968.53 and 227,831.04 is: 314,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,818.11 : 577,968.53 = 227,831.04 : x
  2. Step 2: Convert to fraction form
    418,818.11/577,968.53 = 227,831.04/x
  3. Step 3: Cross multiply
    418,818.11x = 577,968.53 × 227,831.04
  4. Step 4: Simplify right side
    418,818.11x = 131,679,170,138.02
  5. Step 5: Solve for x
    x = 131,679,170,138.02/418,818.11
  6. Step 6: Final answer
    x = 314,406.59

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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.