Home / 842,120.12-1,263,190.20-234,871.52

Finding the Fourth Proportional to 842,120.12, 1,263,190.20 and 234,871.52

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Solution

The fourth proportional to 842,120.12, 1,263,190.20 and 234,871.52 is: 352,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,120.12 : 1,263,190.20 = 234,871.52 : x
  2. Step 2: Convert to fraction form
    842,120.12/1,263,190.20 = 234,871.52/x
  3. Step 3: Cross multiply
    842,120.12x = 1,263,190.20 × 234,871.52
  4. Step 4: Simplify right side
    842,120.12x = 296,687,402,323.10
  5. Step 5: Solve for x
    x = 296,687,402,323.10/842,120.12
  6. Step 6: Final answer
    x = 352,310.07

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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.