Home / 345,489.72-518,511.06-179,325.24

Finding the Fourth Proportional to 345,489.72, 518,511.06 and 179,325.24

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Solution

The fourth proportional to 345,489.72, 518,511.06 and 179,325.24 is: 269,131.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,489.72 : 518,511.06 = 179,325.24 : x
  2. Step 2: Convert to fraction form
    345,489.72/518,511.06 = 179,325.24/x
  3. Step 3: Cross multiply
    345,489.72x = 518,511.06 × 179,325.24
  4. Step 4: Simplify right side
    345,489.72x = 92,982,120,277.15
  5. Step 5: Solve for x
    x = 92,982,120,277.15/345,489.72
  6. Step 6: Final answer
    x = 269,131.37

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1.5x scale

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.