Home / 492,729.20-739,093.80-193,110.20

Finding the Fourth Proportional to 492,729.20, 739,093.80 and 193,110.20

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Solution

The fourth proportional to 492,729.20, 739,093.80 and 193,110.20 is: 289,665.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,729.20 : 739,093.80 = 193,110.20 : x
  2. Step 2: Convert to fraction form
    492,729.20/739,093.80 = 193,110.20/x
  3. Step 3: Cross multiply
    492,729.20x = 739,093.80 × 193,110.20
  4. Step 4: Simplify right side
    492,729.20x = 142,726,551,536.76
  5. Step 5: Solve for x
    x = 142,726,551,536.76/492,729.20
  6. Step 6: Final answer
    x = 289,665.30

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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.