Home / 258,974.06-388,359.02-125,814.92

Finding the Fourth Proportional to 258,974.06, 388,359.02 and 125,814.92

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Solution

The fourth proportional to 258,974.06, 388,359.02 and 125,814.92 is: 188,672.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,974.06 : 388,359.02 = 125,814.92 : x
  2. Step 2: Convert to fraction form
    258,974.06/388,359.02 = 125,814.92/x
  3. Step 3: Cross multiply
    258,974.06x = 388,359.02 × 125,814.92
  4. Step 4: Simplify right side
    258,974.06x = 48,861,357,405.32
  5. Step 5: Solve for x
    x = 48,861,357,405.32/258,974.06
  6. Step 6: Final answer
    x = 188,672.79

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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.