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Finding the Fourth Proportional to 234,480.94, 323,583.18 and 127,053.88

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Solution

The fourth proportional to 234,480.94, 323,583.18 and 127,053.88 is: 175,334.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,480.94 : 323,583.18 = 127,053.88 : x
  2. Step 2: Convert to fraction form
    234,480.94/323,583.18 = 127,053.88/x
  3. Step 3: Cross multiply
    234,480.94x = 323,583.18 × 127,053.88
  4. Step 4: Simplify right side
    234,480.94x = 41,112,498,521.74
  5. Step 5: Solve for x
    x = 41,112,498,521.74/234,480.94
  6. Step 6: Final answer
    x = 175,334.07

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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.