Home / 287,391.32-396,570.24-176,992.49

Finding the Fourth Proportional to 287,391.32, 396,570.24 and 176,992.49

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Solution

The fourth proportional to 287,391.32, 396,570.24 and 176,992.49 is: 244,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,391.32 : 396,570.24 = 176,992.49 : x
  2. Step 2: Convert to fraction form
    287,391.32/396,570.24 = 176,992.49/x
  3. Step 3: Cross multiply
    287,391.32x = 396,570.24 × 176,992.49
  4. Step 4: Simplify right side
    287,391.32x = 70,189,954,237.50
  5. Step 5: Solve for x
    x = 70,189,954,237.50/287,391.32
  6. Step 6: Final answer
    x = 244,231.29

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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.