Home / 418,317.28-577,284.08-227,330.82

Finding the Fourth Proportional to 418,317.28, 577,284.08 and 227,330.82

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Solution

The fourth proportional to 418,317.28, 577,284.08 and 227,330.82 is: 313,719.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,317.28 : 577,284.08 = 227,330.82 : x
  2. Step 2: Convert to fraction form
    418,317.28/577,284.08 = 227,330.82/x
  3. Step 3: Cross multiply
    418,317.28x = 577,284.08 × 227,330.82
  4. Step 4: Simplify right side
    418,317.28x = 131,234,462,142.69
  5. Step 5: Solve for x
    x = 131,234,462,142.69/418,317.28
  6. Step 6: Final answer
    x = 313,719.92

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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.