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Finding the Fourth Proportional to 151,479.20, 227,218.80 and 109,488.80

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Solution

The fourth proportional to 151,479.20, 227,218.80 and 109,488.80 is: 164,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,479.20 : 227,218.80 = 109,488.80 : x
  2. Step 2: Convert to fraction form
    151,479.20/227,218.80 = 109,488.80/x
  3. Step 3: Cross multiply
    151,479.20x = 227,218.80 × 109,488.80
  4. Step 4: Simplify right side
    151,479.20x = 24,877,913,749.44
  5. Step 5: Solve for x
    x = 24,877,913,749.44/151,479.20
  6. Step 6: Final answer
    x = 164,233.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.