Home / 418,317.77-577,282.19-227,331.15

Finding the Fourth Proportional to 418,317.77, 577,282.19 and 227,331.15

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Solution

The fourth proportional to 418,317.77, 577,282.19 and 227,331.15 is: 313,718.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,317.77 : 577,282.19 = 227,331.15 : x
  2. Step 2: Convert to fraction form
    418,317.77/577,282.19 = 227,331.15/x
  3. Step 3: Cross multiply
    418,317.77x = 577,282.19 × 227,331.15
  4. Step 4: Simplify right side
    418,317.77x = 131,234,222,990.56
  5. Step 5: Solve for x
    x = 131,234,222,990.56/418,317.77
  6. Step 6: Final answer
    x = 313,718.98

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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.