Home / 225,331.20-310,910.40-171,521.28

Finding the Fourth Proportional to 225,331.20, 310,910.40 and 171,521.28

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Solution

The fourth proportional to 225,331.20, 310,910.40 and 171,521.28 is: 236,663.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,331.20 : 310,910.40 = 171,521.28 : x
  2. Step 2: Convert to fraction form
    225,331.20/310,910.40 = 171,521.28/x
  3. Step 3: Cross multiply
    225,331.20x = 310,910.40 × 171,521.28
  4. Step 4: Simplify right side
    225,331.20x = 53,327,749,773.31
  5. Step 5: Solve for x
    x = 53,327,749,773.31/225,331.20
  6. Step 6: Final answer
    x = 236,663.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.