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Finding the Fourth Proportional to 402,287.34, 555,060.83 and 227,859.04

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Solution

The fourth proportional to 402,287.34, 555,060.83 and 227,859.04 is: 314,391.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,287.34 : 555,060.83 = 227,859.04 : x
  2. Step 2: Convert to fraction form
    402,287.34/555,060.83 = 227,859.04/x
  3. Step 3: Cross multiply
    402,287.34x = 555,060.83 × 227,859.04
  4. Step 4: Simplify right side
    402,287.34x = 126,475,627,865.40
  5. Step 5: Solve for x
    x = 126,475,627,865.40/402,287.34
  6. Step 6: Final answer
    x = 314,391.27

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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.