Home / 246,890.40-370,335.60-80,695.20

Finding the Fourth Proportional to 246,890.40, 370,335.60 and 80,695.20

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Solution

The fourth proportional to 246,890.40, 370,335.60 and 80,695.20 is: 121,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,890.40 : 370,335.60 = 80,695.20 : x
  2. Step 2: Convert to fraction form
    246,890.40/370,335.60 = 80,695.20/x
  3. Step 3: Cross multiply
    246,890.40x = 370,335.60 × 80,695.20
  4. Step 4: Simplify right side
    246,890.40x = 29,884,305,309.12
  5. Step 5: Solve for x
    x = 29,884,305,309.12/246,890.40
  6. Step 6: Final answer
    x = 121,042.80

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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.