Home / 220,161.10-330,241.65-149,302.30

Finding the Fourth Proportional to 220,161.10, 330,241.65 and 149,302.30

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Solution

The fourth proportional to 220,161.10, 330,241.65 and 149,302.30 is: 223,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,161.10 : 330,241.65 = 149,302.30 : x
  2. Step 2: Convert to fraction form
    220,161.10/330,241.65 = 149,302.30/x
  3. Step 3: Cross multiply
    220,161.10x = 330,241.65 × 149,302.30
  4. Step 4: Simplify right side
    220,161.10x = 49,305,837,900.80
  5. Step 5: Solve for x
    x = 49,305,837,900.80/220,161.10
  6. Step 6: Final answer
    x = 223,953.45

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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.