Home / 275,856.10-380,711.55-168,425.80

Finding the Fourth Proportional to 275,856.10, 380,711.55 and 168,425.80

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Solution

The fourth proportional to 275,856.10, 380,711.55 and 168,425.80 is: 232,446.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,856.10 : 380,711.55 = 168,425.80 : x
  2. Step 2: Convert to fraction form
    275,856.10/380,711.55 = 168,425.80/x
  3. Step 3: Cross multiply
    275,856.10x = 380,711.55 × 168,425.80
  4. Step 4: Simplify right side
    275,856.10x = 64,121,647,377.99
  5. Step 5: Solve for x
    x = 64,121,647,377.99/275,856.10
  6. Step 6: Final answer
    x = 232,446.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.