Home / 418,327.27-577,296.11-227,340.68

Finding the Fourth Proportional to 418,327.27, 577,296.11 and 227,340.68

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Solution

The fourth proportional to 418,327.27, 577,296.11 and 227,340.68 is: 313,732.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,327.27 : 577,296.11 = 227,340.68 : x
  2. Step 2: Convert to fraction form
    418,327.27/577,296.11 = 227,340.68/x
  3. Step 3: Cross multiply
    418,327.27x = 577,296.11 × 227,340.68
  4. Step 4: Simplify right side
    418,327.27x = 131,242,887,890.63
  5. Step 5: Solve for x
    x = 131,242,887,890.63/418,327.27
  6. Step 6: Final answer
    x = 313,732.57

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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.