Home / 372,388.77-558,145.74-172,286.46

Finding the Fourth Proportional to 372,388.77, 558,145.74 and 172,286.46

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Solution

The fourth proportional to 372,388.77, 558,145.74 and 172,286.46 is: 258,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,388.77 : 558,145.74 = 172,286.46 : x
  2. Step 2: Convert to fraction form
    372,388.77/558,145.74 = 172,286.46/x
  3. Step 3: Cross multiply
    372,388.77x = 558,145.74 × 172,286.46
  4. Step 4: Simplify right side
    372,388.77x = 96,160,953,708.68
  5. Step 5: Solve for x
    x = 96,160,953,708.68/372,388.77
  6. Step 6: Final answer
    x = 258,227.32

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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.