Home / 393,740.80-590,590.56-113,247.04

Finding the Fourth Proportional to 393,740.80, 590,590.56 and 113,247.04

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Solution

The fourth proportional to 393,740.80, 590,590.56 and 113,247.04 is: 169,864.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,740.80 : 590,590.56 = 113,247.04 : x
  2. Step 2: Convert to fraction form
    393,740.80/590,590.56 = 113,247.04/x
  3. Step 3: Cross multiply
    393,740.80x = 590,590.56 × 113,247.04
  4. Step 4: Simplify right side
    393,740.80x = 66,882,632,771.94
  5. Step 5: Solve for x
    x = 66,882,632,771.94/393,740.80
  6. Step 6: Final answer
    x = 169,864.62

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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.