Home / 221,985.11-305,920.92-160,627.45

Finding the Fourth Proportional to 221,985.11, 305,920.92 and 160,627.45

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Solution

The fourth proportional to 221,985.11, 305,920.92 and 160,627.45 is: 221,363.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,985.11 : 305,920.92 = 160,627.45 : x
  2. Step 2: Convert to fraction form
    221,985.11/305,920.92 = 160,627.45/x
  3. Step 3: Cross multiply
    221,985.11x = 305,920.92 × 160,627.45
  4. Step 4: Simplify right side
    221,985.11x = 49,139,297,644.49
  5. Step 5: Solve for x
    x = 49,139,297,644.49/221,985.11
  6. Step 6: Final answer
    x = 221,363.04

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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.