Home / 220,180.08-330,267.78-70,418.64

Finding the Fourth Proportional to 220,180.08, 330,267.78 and 70,418.64

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Solution

The fourth proportional to 220,180.08, 330,267.78 and 70,418.64 is: 105,627.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,180.08 : 330,267.78 = 70,418.64 : x
  2. Step 2: Convert to fraction form
    220,180.08/330,267.78 = 70,418.64/x
  3. Step 3: Cross multiply
    220,180.08x = 330,267.78 × 70,418.64
  4. Step 4: Simplify right side
    220,180.08x = 23,257,007,903.42
  5. Step 5: Solve for x
    x = 23,257,007,903.42/220,180.08
  6. Step 6: Final answer
    x = 105,627.21

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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.