Home / 418,225.62-577,143.05-227,240.38

Finding the Fourth Proportional to 418,225.62, 577,143.05 and 227,240.38

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Solution

The fourth proportional to 418,225.62, 577,143.05 and 227,240.38 is: 313,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,225.62 : 577,143.05 = 227,240.38 : x
  2. Step 2: Convert to fraction form
    418,225.62/577,143.05 = 227,240.38/x
  3. Step 3: Cross multiply
    418,225.62x = 577,143.05 × 227,240.38
  4. Step 4: Simplify right side
    418,225.62x = 131,150,203,417.30
  5. Step 5: Solve for x
    x = 131,150,203,417.30/418,225.62
  6. Step 6: Final answer
    x = 313,587.21

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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.