Home / 275,621.38-380,398.74-168,253.62

Finding the Fourth Proportional to 275,621.38, 380,398.74 and 168,253.62

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Solution

The fourth proportional to 275,621.38, 380,398.74 and 168,253.62 is: 232,215.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,621.38 : 380,398.74 = 168,253.62 : x
  2. Step 2: Convert to fraction form
    275,621.38/380,398.74 = 168,253.62/x
  3. Step 3: Cross multiply
    275,621.38x = 380,398.74 × 168,253.62
  4. Step 4: Simplify right side
    275,621.38x = 64,003,465,048.44
  5. Step 5: Solve for x
    x = 64,003,465,048.44/275,621.38
  6. Step 6: Final answer
    x = 232,215.17

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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.