Home / 281,061.28-421,592.46-70,697.80

Finding the Fourth Proportional to 281,061.28, 421,592.46 and 70,697.80

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Solution

The fourth proportional to 281,061.28, 421,592.46 and 70,697.80 is: 106,046.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,061.28 : 421,592.46 = 70,697.80 : x
  2. Step 2: Convert to fraction form
    281,061.28/421,592.46 = 70,697.80/x
  3. Step 3: Cross multiply
    281,061.28x = 421,592.46 × 70,697.80
  4. Step 4: Simplify right side
    281,061.28x = 29,805,659,418.59
  5. Step 5: Solve for x
    x = 29,805,659,418.59/281,061.28
  6. Step 6: Final answer
    x = 106,046.84

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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.