Home / 401,731.74-554,388.27-220,446.70

Finding the Fourth Proportional to 401,731.74, 554,388.27 and 220,446.70

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Solution

The fourth proportional to 401,731.74, 554,388.27 and 220,446.70 is: 304,215.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,731.74 : 554,388.27 = 220,446.70 : x
  2. Step 2: Convert to fraction form
    401,731.74/554,388.27 = 220,446.70/x
  3. Step 3: Cross multiply
    401,731.74x = 554,388.27 × 220,446.70
  4. Step 4: Simplify right side
    401,731.74x = 122,213,063,254.24
  5. Step 5: Solve for x
    x = 122,213,063,254.24/401,731.74
  6. Step 6: Final answer
    x = 304,215.61

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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.