Home / 325,010.06-487,576.12-147,529.56

Finding the Fourth Proportional to 325,010.06, 487,576.12 and 147,529.56

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Solution

The fourth proportional to 325,010.06, 487,576.12 and 147,529.56 is: 221,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,010.06 : 487,576.12 = 147,529.56 : x
  2. Step 2: Convert to fraction form
    325,010.06/487,576.12 = 147,529.56/x
  3. Step 3: Cross multiply
    325,010.06x = 487,576.12 × 147,529.56
  4. Step 4: Simplify right side
    325,010.06x = 71,931,890,450.11
  5. Step 5: Solve for x
    x = 71,931,890,450.11/325,010.06
  6. Step 6: Final answer
    x = 221,322.04

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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.