Home / 388,371.18-535,952.30-227,257.17

Finding the Fourth Proportional to 388,371.18, 535,952.30 and 227,257.17

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Solution

The fourth proportional to 388,371.18, 535,952.30 and 227,257.17 is: 313,614.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,371.18 : 535,952.30 = 227,257.17 : x
  2. Step 2: Convert to fraction form
    388,371.18/535,952.30 = 227,257.17/x
  3. Step 3: Cross multiply
    388,371.18x = 535,952.30 × 227,257.17
  4. Step 4: Simplify right side
    388,371.18x = 121,799,002,952.99
  5. Step 5: Solve for x
    x = 121,799,002,952.99/388,371.18
  6. Step 6: Final answer
    x = 313,614.94

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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.