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Finding the Fourth Proportional to 248,365.13, 372,603.22 and 90,593.57

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Solution

The fourth proportional to 248,365.13, 372,603.22 and 90,593.57 is: 135,910.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,365.13 : 372,603.22 = 90,593.57 : x
  2. Step 2: Convert to fraction form
    248,365.13/372,603.22 = 90,593.57/x
  3. Step 3: Cross multiply
    248,365.13x = 372,603.22 × 90,593.57
  4. Step 4: Simplify right side
    248,365.13x = 33,755,456,598.32
  5. Step 5: Solve for x
    x = 33,755,456,598.32/248,365.13
  6. Step 6: Final answer
    x = 135,910.61

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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.