Home / 393,883.20-590,928.48-113,423.04

Finding the Fourth Proportional to 393,883.20, 590,928.48 and 113,423.04

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Solution

The fourth proportional to 393,883.20, 590,928.48 and 113,423.04 is: 170,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,883.20 : 590,928.48 = 113,423.04 : x
  2. Step 2: Convert to fraction form
    393,883.20/590,928.48 = 113,423.04/x
  3. Step 3: Cross multiply
    393,883.20x = 590,928.48 × 113,423.04
  4. Step 4: Simplify right side
    393,883.20x = 67,024,904,624.18
  5. Step 5: Solve for x
    x = 67,024,904,624.18/393,883.20
  6. Step 6: Final answer
    x = 170,164.42

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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.