Home / 352,235.66-528,560.85-130,775.18

Finding the Fourth Proportional to 352,235.66, 528,560.85 and 130,775.18

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Solution

The fourth proportional to 352,235.66, 528,560.85 and 130,775.18 is: 196,239.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,235.66 : 528,560.85 = 130,775.18 : x
  2. Step 2: Convert to fraction form
    352,235.66/528,560.85 = 130,775.18/x
  3. Step 3: Cross multiply
    352,235.66x = 528,560.85 × 130,775.18
  4. Step 4: Simplify right side
    352,235.66x = 69,122,640,299.70
  5. Step 5: Solve for x
    x = 69,122,640,299.70/352,235.66
  6. Step 6: Final answer
    x = 196,239.76

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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.