Home / 248,265.82-372,398.16-90,429.76

Finding the Fourth Proportional to 248,265.82, 372,398.16 and 90,429.76

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Solution

The fourth proportional to 248,265.82, 372,398.16 and 90,429.76 is: 135,644.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,265.82 : 372,398.16 = 90,429.76 : x
  2. Step 2: Convert to fraction form
    248,265.82/372,398.16 = 90,429.76/x
  3. Step 3: Cross multiply
    248,265.82x = 372,398.16 × 90,429.76
  4. Step 4: Simplify right side
    248,265.82x = 33,675,876,233.24
  5. Step 5: Solve for x
    x = 33,675,876,233.24/248,265.82
  6. Step 6: Final answer
    x = 135,644.43

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1.5x scale

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.