Home / 313,318.44-432,383.94-170,078.76

Finding the Fourth Proportional to 313,318.44, 432,383.94 and 170,078.76

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Solution

The fourth proportional to 313,318.44, 432,383.94 and 170,078.76 is: 234,711.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,318.44 : 432,383.94 = 170,078.76 : x
  2. Step 2: Convert to fraction form
    313,318.44/432,383.94 = 170,078.76/x
  3. Step 3: Cross multiply
    313,318.44x = 432,383.94 × 170,078.76
  4. Step 4: Simplify right side
    313,318.44x = 73,539,324,359.11
  5. Step 5: Solve for x
    x = 73,539,324,359.11/313,318.44
  6. Step 6: Final answer
    x = 234,711.13

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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.