Home / 485,094.80-727,751.28-148,107.26

Finding the Fourth Proportional to 485,094.80, 727,751.28 and 148,107.26

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Solution

The fourth proportional to 485,094.80, 727,751.28 and 148,107.26 is: 222,194.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,094.80 : 727,751.28 = 148,107.26 : x
  2. Step 2: Convert to fraction form
    485,094.80/727,751.28 = 148,107.26/x
  3. Step 3: Cross multiply
    485,094.80x = 727,751.28 × 148,107.26
  4. Step 4: Simplify right side
    485,094.80x = 107,785,248,042.29
  5. Step 5: Solve for x
    x = 107,785,248,042.29/485,094.80
  6. Step 6: Final answer
    x = 222,194.19

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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.