Home / 231,454.80-319,441.68-146,579.76

Finding the Fourth Proportional to 231,454.80, 319,441.68 and 146,579.76

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Solution

The fourth proportional to 231,454.80, 319,441.68 and 146,579.76 is: 202,301.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,454.80 : 319,441.68 = 146,579.76 : x
  2. Step 2: Convert to fraction form
    231,454.80/319,441.68 = 146,579.76/x
  3. Step 3: Cross multiply
    231,454.80x = 319,441.68 × 146,579.76
  4. Step 4: Simplify right side
    231,454.80x = 46,823,684,788.40
  5. Step 5: Solve for x
    x = 46,823,684,788.40/231,454.80
  6. Step 6: Final answer
    x = 202,301.64

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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.