Home / 225,020.60-337,617.30-221,478.20

Finding the Fourth Proportional to 225,020.60, 337,617.30 and 221,478.20

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Solution

The fourth proportional to 225,020.60, 337,617.30 and 221,478.20 is: 332,302.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,020.60 : 337,617.30 = 221,478.20 : x
  2. Step 2: Convert to fraction form
    225,020.60/337,617.30 = 221,478.20/x
  3. Step 3: Cross multiply
    225,020.60x = 337,617.30 × 221,478.20
  4. Step 4: Simplify right side
    225,020.60x = 74,774,871,892.86
  5. Step 5: Solve for x
    x = 74,774,871,892.86/225,020.60
  6. Step 6: Final answer
    x = 332,302.34

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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.