Home / 198,220.62-297,051.33-153,638.76

Finding the Fourth Proportional to 198,220.62, 297,051.33 and 153,638.76

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Solution

The fourth proportional to 198,220.62, 297,051.33 and 153,638.76 is: 230,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,220.62 : 297,051.33 = 153,638.76 : x
  2. Step 2: Convert to fraction form
    198,220.62/297,051.33 = 153,638.76/x
  3. Step 3: Cross multiply
    198,220.62x = 297,051.33 × 153,638.76
  4. Step 4: Simplify right side
    198,220.62x = 45,638,597,997.55
  5. Step 5: Solve for x
    x = 45,638,597,997.55/198,220.62
  6. Step 6: Final answer
    x = 230,241.42

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1.5x scale

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.