Home / 325,338.06-488,006.46-88,680.36

Finding the Fourth Proportional to 325,338.06, 488,006.46 and 88,680.36

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Solution

The fourth proportional to 325,338.06, 488,006.46 and 88,680.36 is: 133,020.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,338.06 : 488,006.46 = 88,680.36 : x
  2. Step 2: Convert to fraction form
    325,338.06/488,006.46 = 88,680.36/x
  3. Step 3: Cross multiply
    325,338.06x = 488,006.46 × 88,680.36
  4. Step 4: Simplify right side
    325,338.06x = 43,276,588,555.13
  5. Step 5: Solve for x
    x = 43,276,588,555.13/325,338.06
  6. Step 6: Final answer
    x = 133,020.37

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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.