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Finding the Fourth Proportional to 252,910.20, 379,038.25 and 189,230.70

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Solution

The fourth proportional to 252,910.20, 379,038.25 and 189,230.70 is: 283,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,910.20 : 379,038.25 = 189,230.70 : x
  2. Step 2: Convert to fraction form
    252,910.20/379,038.25 = 189,230.70/x
  3. Step 3: Cross multiply
    252,910.20x = 379,038.25 × 189,230.70
  4. Step 4: Simplify right side
    252,910.20x = 71,725,673,374.28
  5. Step 5: Solve for x
    x = 71,725,673,374.28/252,910.20
  6. Step 6: Final answer
    x = 283,601.35

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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.