Home / 254,721.80-382,059.27-86,222.87

Finding the Fourth Proportional to 254,721.80, 382,059.27 and 86,222.87

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Solution

The fourth proportional to 254,721.80, 382,059.27 and 86,222.87 is: 129,326.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,721.80 : 382,059.27 = 86,222.87 : x
  2. Step 2: Convert to fraction form
    254,721.80/382,059.27 = 86,222.87/x
  3. Step 3: Cross multiply
    254,721.80x = 382,059.27 × 86,222.87
  4. Step 4: Simplify right side
    254,721.80x = 32,942,245,009.38
  5. Step 5: Solve for x
    x = 32,942,245,009.38/254,721.80
  6. Step 6: Final answer
    x = 129,326.37

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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.