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Finding the Fourth Proportional to 311,989.25, 467,983.80 and 101,627.19

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Solution

The fourth proportional to 311,989.25, 467,983.80 and 101,627.19 is: 152,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,989.25 : 467,983.80 = 101,627.19 : x
  2. Step 2: Convert to fraction form
    311,989.25/467,983.80 = 101,627.19/x
  3. Step 3: Cross multiply
    311,989.25x = 467,983.80 × 101,627.19
  4. Step 4: Simplify right side
    311,989.25x = 47,559,878,559.52
  5. Step 5: Solve for x
    x = 47,559,878,559.52/311,989.25
  6. Step 6: Final answer
    x = 152,440.76

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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.