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Finding the Fourth Proportional to 311,546.88, 467,335.80 and 151,769.52

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Solution

The fourth proportional to 311,546.88, 467,335.80 and 151,769.52 is: 227,661.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,546.88 : 467,335.80 = 151,769.52 : x
  2. Step 2: Convert to fraction form
    311,546.88/467,335.80 = 151,769.52/x
  3. Step 3: Cross multiply
    311,546.88x = 467,335.80 × 151,769.52
  4. Step 4: Simplify right side
    311,546.88x = 70,927,330,044.82
  5. Step 5: Solve for x
    x = 70,927,330,044.82/311,546.88
  6. Step 6: Final answer
    x = 227,661.82

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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.