Home / 275,705.20-380,473.26-154,846.66

Finding the Fourth Proportional to 275,705.20, 380,473.26 and 154,846.66

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Solution

The fourth proportional to 275,705.20, 380,473.26 and 154,846.66 is: 213,688.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,705.20 : 380,473.26 = 154,846.66 : x
  2. Step 2: Convert to fraction form
    275,705.20/380,473.26 = 154,846.66/x
  3. Step 3: Cross multiply
    275,705.20x = 380,473.26 × 154,846.66
  4. Step 4: Simplify right side
    275,705.20x = 58,915,013,530.31
  5. Step 5: Solve for x
    x = 58,915,013,530.31/275,705.20
  6. Step 6: Final answer
    x = 213,688.44

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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.