Home / 408,377.60-563,548.29-227,084.72

Finding the Fourth Proportional to 408,377.60, 563,548.29 and 227,084.72

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Solution

The fourth proportional to 408,377.60, 563,548.29 and 227,084.72 is: 313,369.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,377.60 : 563,548.29 = 227,084.72 : x
  2. Step 2: Convert to fraction form
    408,377.60/563,548.29 = 227,084.72/x
  3. Step 3: Cross multiply
    408,377.60x = 563,548.29 × 227,084.72
  4. Step 4: Simplify right side
    408,377.60x = 127,973,201,971.82
  5. Step 5: Solve for x
    x = 127,973,201,971.82/408,377.60
  6. Step 6: Final answer
    x = 313,369.79

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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.