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Finding the Fourth Proportional to 408,660.99, 563,885.71 and 227,368.26

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Solution

The fourth proportional to 408,660.99, 563,885.71 and 227,368.26 is: 313,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,660.99 : 563,885.71 = 227,368.26 : x
  2. Step 2: Convert to fraction form
    408,660.99/563,885.71 = 227,368.26/x
  3. Step 3: Cross multiply
    408,660.99x = 563,885.71 × 227,368.26
  4. Step 4: Simplify right side
    408,660.99x = 128,209,711,584.72
  5. Step 5: Solve for x
    x = 128,209,711,584.72/408,660.99
  6. Step 6: Final answer
    x = 313,731.22

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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.