Home / 738,902.70-1,108,193.17-199,146.38

Finding the Fourth Proportional to 738,902.70, 1,108,193.17 and 199,146.38

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Solution

The fourth proportional to 738,902.70, 1,108,193.17 and 199,146.38 is: 298,676.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,902.70 : 1,108,193.17 = 199,146.38 : x
  2. Step 2: Convert to fraction form
    738,902.70/1,108,193.17 = 199,146.38/x
  3. Step 3: Cross multiply
    738,902.70x = 1,108,193.17 × 199,146.38
  4. Step 4: Simplify right side
    738,902.70x = 220,692,658,146.23
  5. Step 5: Solve for x
    x = 220,692,658,146.23/738,902.70
  6. Step 6: Final answer
    x = 298,676.21

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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.