Home / 225,220.41-310,804.19-123,245.89

Finding the Fourth Proportional to 225,220.41, 310,804.19 and 123,245.89

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Solution

The fourth proportional to 225,220.41, 310,804.19 and 123,245.89 is: 170,079.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,220.41 : 310,804.19 = 123,245.89 : x
  2. Step 2: Convert to fraction form
    225,220.41/310,804.19 = 123,245.89/x
  3. Step 3: Cross multiply
    225,220.41x = 310,804.19 × 123,245.89
  4. Step 4: Simplify right side
    225,220.41x = 38,305,337,927.15
  5. Step 5: Solve for x
    x = 38,305,337,927.15/225,220.41
  6. Step 6: Final answer
    x = 170,079.34

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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.