Home / 414,819.28-622,221.72-134,337.04

Finding the Fourth Proportional to 414,819.28, 622,221.72 and 134,337.04

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Solution

The fourth proportional to 414,819.28, 622,221.72 and 134,337.04 is: 201,503.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,819.28 : 622,221.72 = 134,337.04 : x
  2. Step 2: Convert to fraction form
    414,819.28/622,221.72 = 134,337.04/x
  3. Step 3: Cross multiply
    414,819.28x = 622,221.72 × 134,337.04
  4. Step 4: Simplify right side
    414,819.28x = 83,587,424,088.51
  5. Step 5: Solve for x
    x = 83,587,424,088.51/414,819.28
  6. Step 6: Final answer
    x = 201,503.23

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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.