Home / 272,429.37-408,627.45-130,375.62

Finding the Fourth Proportional to 272,429.37, 408,627.45 and 130,375.62

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Solution

The fourth proportional to 272,429.37, 408,627.45 and 130,375.62 is: 195,555.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,429.37 : 408,627.45 = 130,375.62 : x
  2. Step 2: Convert to fraction form
    272,429.37/408,627.45 = 130,375.62/x
  3. Step 3: Cross multiply
    272,429.37x = 408,627.45 × 130,375.62
  4. Step 4: Simplify right side
    272,429.37x = 53,275,057,142.77
  5. Step 5: Solve for x
    x = 53,275,057,142.77/272,429.37
  6. Step 6: Final answer
    x = 195,555.48

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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.