Home / 223,378.45-335,233.80-90,259.85

Finding the Fourth Proportional to 223,378.45, 335,233.80 and 90,259.85

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Solution

The fourth proportional to 223,378.45, 335,233.80 and 90,259.85 is: 135,456.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,378.45 : 335,233.80 = 90,259.85 : x
  2. Step 2: Convert to fraction form
    223,378.45/335,233.80 = 90,259.85/x
  3. Step 3: Cross multiply
    223,378.45x = 335,233.80 × 90,259.85
  4. Step 4: Simplify right side
    223,378.45x = 30,258,153,341.01
  5. Step 5: Solve for x
    x = 30,258,153,341.01/223,378.45
  6. Step 6: Final answer
    x = 135,456.91

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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.