Home / 340,971.20-511,456.80-151,387.04

Finding the Fourth Proportional to 340,971.20, 511,456.80 and 151,387.04

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Solution

The fourth proportional to 340,971.20, 511,456.80 and 151,387.04 is: 227,080.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,971.20 : 511,456.80 = 151,387.04 : x
  2. Step 2: Convert to fraction form
    340,971.20/511,456.80 = 151,387.04/x
  3. Step 3: Cross multiply
    340,971.20x = 511,456.80 × 151,387.04
  4. Step 4: Simplify right side
    340,971.20x = 77,427,931,039.87
  5. Step 5: Solve for x
    x = 77,427,931,039.87/340,971.20
  6. Step 6: Final answer
    x = 227,080.56

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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.