Home / 311,591.14-467,199.93-142,900.18

Finding the Fourth Proportional to 311,591.14, 467,199.93 and 142,900.18

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Solution

The fourth proportional to 311,591.14, 467,199.93 and 142,900.18 is: 214,264.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,591.14 : 467,199.93 = 142,900.18 : x
  2. Step 2: Convert to fraction form
    311,591.14/467,199.93 = 142,900.18/x
  3. Step 3: Cross multiply
    311,591.14x = 467,199.93 × 142,900.18
  4. Step 4: Simplify right side
    311,591.14x = 66,762,954,092.99
  5. Step 5: Solve for x
    x = 66,762,954,092.99/311,591.14
  6. Step 6: Final answer
    x = 214,264.61

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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.