Home / 225,475.20-310,521.60-187,404.48

Finding the Fourth Proportional to 225,475.20, 310,521.60 and 187,404.48

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Solution

The fourth proportional to 225,475.20, 310,521.60 and 187,404.48 is: 258,091.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,475.20 : 310,521.60 = 187,404.48 : x
  2. Step 2: Convert to fraction form
    225,475.20/310,521.60 = 187,404.48/x
  3. Step 3: Cross multiply
    225,475.20x = 310,521.60 × 187,404.48
  4. Step 4: Simplify right side
    225,475.20x = 58,193,138,976.77
  5. Step 5: Solve for x
    x = 58,193,138,976.77/225,475.20
  6. Step 6: Final answer
    x = 258,091.08

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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.