Home / 325,012.06-487,579.12-147,531.56

Finding the Fourth Proportional to 325,012.06, 487,579.12 and 147,531.56

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Solution

The fourth proportional to 325,012.06, 487,579.12 and 147,531.56 is: 221,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,012.06 : 487,579.12 = 147,531.56 : x
  2. Step 2: Convert to fraction form
    325,012.06/487,579.12 = 147,531.56/x
  3. Step 3: Cross multiply
    325,012.06x = 487,579.12 × 147,531.56
  4. Step 4: Simplify right side
    325,012.06x = 71,933,308,197.03
  5. Step 5: Solve for x
    x = 71,933,308,197.03/325,012.06
  6. Step 6: Final answer
    x = 221,325.04

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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.