Home / 220,268.07-330,240.48-70,422.12

Finding the Fourth Proportional to 220,268.07, 330,240.48 and 70,422.12

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Solution

The fourth proportional to 220,268.07, 330,240.48 and 70,422.12 is: 105,581.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,268.07 : 330,240.48 = 70,422.12 : x
  2. Step 2: Convert to fraction form
    220,268.07/330,240.48 = 70,422.12/x
  3. Step 3: Cross multiply
    220,268.07x = 330,240.48 × 70,422.12
  4. Step 4: Simplify right side
    220,268.07x = 23,256,234,711.42
  5. Step 5: Solve for x
    x = 23,256,234,711.42/220,268.07
  6. Step 6: Final answer
    x = 105,581.51

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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.