Home / 842,121.12-1,263,191.70-234,872.52

Finding the Fourth Proportional to 842,121.12, 1,263,191.70 and 234,872.52

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Solution

The fourth proportional to 842,121.12, 1,263,191.70 and 234,872.52 is: 352,311.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,121.12 : 1,263,191.70 = 234,872.52 : x
  2. Step 2: Convert to fraction form
    842,121.12/1,263,191.70 = 234,872.52/x
  3. Step 3: Cross multiply
    842,121.12x = 1,263,191.70 × 234,872.52
  4. Step 4: Simplify right side
    842,121.12x = 296,689,017,822.08
  5. Step 5: Solve for x
    x = 296,689,017,822.08/842,121.12
  6. Step 6: Final answer
    x = 352,311.57

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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.