Home / 325,948.20-489,008.70-115,564.20

Finding the Fourth Proportional to 325,948.20, 489,008.70 and 115,564.20

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Solution

The fourth proportional to 325,948.20, 489,008.70 and 115,564.20 is: 173,376.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,948.20 : 489,008.70 = 115,564.20 : x
  2. Step 2: Convert to fraction form
    325,948.20/489,008.70 = 115,564.20/x
  3. Step 3: Cross multiply
    325,948.20x = 489,008.70 × 115,564.20
  4. Step 4: Simplify right side
    325,948.20x = 56,511,899,208.54
  5. Step 5: Solve for x
    x = 56,511,899,208.54/325,948.20
  6. Step 6: Final answer
    x = 173,376.93

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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.