Home / 418,311.74-577,273.91-227,325.15

Finding the Fourth Proportional to 418,311.74, 577,273.91 and 227,325.15

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Solution

The fourth proportional to 418,311.74, 577,273.91 and 227,325.15 is: 313,710.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,311.74 : 577,273.91 = 227,325.15 : x
  2. Step 2: Convert to fraction form
    418,311.74/577,273.91 = 227,325.15/x
  3. Step 3: Cross multiply
    418,311.74x = 577,273.91 × 227,325.15
  4. Step 4: Simplify right side
    418,311.74x = 131,228,877,045.21
  5. Step 5: Solve for x
    x = 131,228,877,045.21/418,311.74
  6. Step 6: Final answer
    x = 313,710.72

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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.