Home / 418,331.43-577,297.13-227,344.86

Finding the Fourth Proportional to 418,331.43, 577,297.13 and 227,344.86

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Solution

The fourth proportional to 418,331.43, 577,297.13 and 227,344.86 is: 313,735.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,331.43 : 577,297.13 = 227,344.86 : x
  2. Step 2: Convert to fraction form
    418,331.43/577,297.13 = 227,344.86/x
  3. Step 3: Cross multiply
    418,331.43x = 577,297.13 × 227,344.86
  4. Step 4: Simplify right side
    418,331.43x = 131,245,534,061.53
  5. Step 5: Solve for x
    x = 131,245,534,061.53/418,331.43
  6. Step 6: Final answer
    x = 313,735.77

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1.5x scale

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.