Home / 397,844.20-596,960.70-187,445.80

Finding the Fourth Proportional to 397,844.20, 596,960.70 and 187,445.80

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Solution

The fourth proportional to 397,844.20, 596,960.70 and 187,445.80 is: 281,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,844.20 : 596,960.70 = 187,445.80 : x
  2. Step 2: Convert to fraction form
    397,844.20/596,960.70 = 187,445.80/x
  3. Step 3: Cross multiply
    397,844.20x = 596,960.70 × 187,445.80
  4. Step 4: Simplify right side
    397,844.20x = 111,897,775,980.06
  5. Step 5: Solve for x
    x = 111,897,775,980.06/397,844.20
  6. Step 6: Final answer
    x = 281,260.29

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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.