Home / 418,255.86-577,196.61-227,269.28

Finding the Fourth Proportional to 418,255.86, 577,196.61 and 227,269.28

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Solution

The fourth proportional to 418,255.86, 577,196.61 and 227,269.28 is: 313,633.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,255.86 : 577,196.61 = 227,269.28 : x
  2. Step 2: Convert to fraction form
    418,255.86/577,196.61 = 227,269.28/x
  3. Step 3: Cross multiply
    418,255.86x = 577,196.61 × 227,269.28
  4. Step 4: Simplify right side
    418,255.86x = 131,179,055,087.16
  5. Step 5: Solve for x
    x = 131,179,055,087.16/418,255.86
  6. Step 6: Final answer
    x = 313,633.51

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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.