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Finding the Fourth Proportional to 222,444.80, 306,898.08 and 126,882.80

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Solution

The fourth proportional to 222,444.80, 306,898.08 and 126,882.80 is: 175,055.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,444.80 : 306,898.08 = 126,882.80 : x
  2. Step 2: Convert to fraction form
    222,444.80/306,898.08 = 126,882.80/x
  3. Step 3: Cross multiply
    222,444.80x = 306,898.08 × 126,882.80
  4. Step 4: Simplify right side
    222,444.80x = 38,940,087,705.02
  5. Step 5: Solve for x
    x = 38,940,087,705.02/222,444.80
  6. Step 6: Final answer
    x = 175,055.06

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1.5x scale

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.