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Finding the Fourth Proportional to 311,866.12, 467,795.10 and 75,207.04

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Solution

The fourth proportional to 311,866.12, 467,795.10 and 75,207.04 is: 112,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,866.12 : 467,795.10 = 75,207.04 : x
  2. Step 2: Convert to fraction form
    311,866.12/467,795.10 = 75,207.04/x
  3. Step 3: Cross multiply
    311,866.12x = 467,795.10 × 75,207.04
  4. Step 4: Simplify right side
    311,866.12x = 35,181,484,797.50
  5. Step 5: Solve for x
    x = 35,181,484,797.50/311,866.12
  6. Step 6: Final answer
    x = 112,809.58

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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.