Home / 287,371.32-396,572.18-166,582.56

Finding the Fourth Proportional to 287,371.32, 396,572.18 and 166,582.56

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Solution

The fourth proportional to 287,371.32, 396,572.18 and 166,582.56 is: 229,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,371.32 : 396,572.18 = 166,582.56 : x
  2. Step 2: Convert to fraction form
    287,371.32/396,572.18 = 166,582.56/x
  3. Step 3: Cross multiply
    287,371.32x = 396,572.18 × 166,582.56
  4. Step 4: Simplify right side
    287,371.32x = 66,062,008,969.18
  5. Step 5: Solve for x
    x = 66,062,008,969.18/287,371.32
  6. Step 6: Final answer
    x = 229,883.79

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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.