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Finding the Fourth Proportional to 220,535.80, 330,846.90 and 94,175.80

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Solution

The fourth proportional to 220,535.80, 330,846.90 and 94,175.80 is: 141,282.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,535.80 : 330,846.90 = 94,175.80 : x
  2. Step 2: Convert to fraction form
    220,535.80/330,846.90 = 94,175.80/x
  3. Step 3: Cross multiply
    220,535.80x = 330,846.90 × 94,175.80
  4. Step 4: Simplify right side
    220,535.80x = 31,157,771,485.02
  5. Step 5: Solve for x
    x = 31,157,771,485.02/220,535.80
  6. Step 6: Final answer
    x = 141,282.15

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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.