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Finding the Fourth Proportional to 228,007.88, 314,650.10 and 127,405.88

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Solution

The fourth proportional to 228,007.88, 314,650.10 and 127,405.88 is: 175,819.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,007.88 : 314,650.10 = 127,405.88 : x
  2. Step 2: Convert to fraction form
    228,007.88/314,650.10 = 127,405.88/x
  3. Step 3: Cross multiply
    228,007.88x = 314,650.10 × 127,405.88
  4. Step 4: Simplify right side
    228,007.88x = 40,088,272,882.59
  5. Step 5: Solve for x
    x = 40,088,272,882.59/228,007.88
  6. Step 6: Final answer
    x = 175,819.68

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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.