Home / 275,335.28-380,032.52-188,155.72

Finding the Fourth Proportional to 275,335.28, 380,032.52 and 188,155.72

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Solution

The fourth proportional to 275,335.28, 380,032.52 and 188,155.72 is: 259,702.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,335.28 : 380,032.52 = 188,155.72 : x
  2. Step 2: Convert to fraction form
    275,335.28/380,032.52 = 188,155.72/x
  3. Step 3: Cross multiply
    275,335.28x = 380,032.52 × 188,155.72
  4. Step 4: Simplify right side
    275,335.28x = 71,505,292,424.01
  5. Step 5: Solve for x
    x = 71,505,292,424.01/275,335.28
  6. Step 6: Final answer
    x = 259,702.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.