Home / 418,229.46-577,155.66-227,243.58

Finding the Fourth Proportional to 418,229.46, 577,155.66 and 227,243.58

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Solution

The fourth proportional to 418,229.46, 577,155.66 and 227,243.58 is: 313,595.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,229.46 : 577,155.66 = 227,243.58 : x
  2. Step 2: Convert to fraction form
    418,229.46/577,155.66 = 227,243.58/x
  3. Step 3: Cross multiply
    418,229.46x = 577,155.66 × 227,243.58
  4. Step 4: Simplify right side
    418,229.46x = 131,154,918,395.66
  5. Step 5: Solve for x
    x = 131,154,918,395.66/418,229.46
  6. Step 6: Final answer
    x = 313,595.60

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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.