Home / 220,441.28-330,499.10-70,594.88

Finding the Fourth Proportional to 220,441.28, 330,499.10 and 70,594.88

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Solution

The fourth proportional to 220,441.28, 330,499.10 and 70,594.88 is: 105,840.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,441.28 : 330,499.10 = 70,594.88 : x
  2. Step 2: Convert to fraction form
    220,441.28/330,499.10 = 70,594.88/x
  3. Step 3: Cross multiply
    220,441.28x = 330,499.10 × 70,594.88
  4. Step 4: Simplify right side
    220,441.28x = 23,331,544,304.61
  5. Step 5: Solve for x
    x = 23,331,544,304.61/220,441.28
  6. Step 6: Final answer
    x = 105,840.18

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1.5x scale

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.