Home / 221,924.28-306,238.92-126,412.32

Finding the Fourth Proportional to 221,924.28, 306,238.92 and 126,412.32

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Solution

The fourth proportional to 221,924.28, 306,238.92 and 126,412.32 is: 174,439.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,924.28 : 306,238.92 = 126,412.32 : x
  2. Step 2: Convert to fraction form
    221,924.28/306,238.92 = 126,412.32/x
  3. Step 3: Cross multiply
    221,924.28x = 306,238.92 × 126,412.32
  4. Step 4: Simplify right side
    221,924.28x = 38,712,372,351.49
  5. Step 5: Solve for x
    x = 38,712,372,351.49/221,924.28
  6. Step 6: Final answer
    x = 174,439.55

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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.