Home / 220,352.26-330,528.51-145,454.90

Finding the Fourth Proportional to 220,352.26, 330,528.51 and 145,454.90

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Solution

The fourth proportional to 220,352.26, 330,528.51 and 145,454.90 is: 218,182.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,352.26 : 330,528.51 = 145,454.90 : x
  2. Step 2: Convert to fraction form
    220,352.26/330,528.51 = 145,454.90/x
  3. Step 3: Cross multiply
    220,352.26x = 330,528.51 × 145,454.90
  4. Step 4: Simplify right side
    220,352.26x = 48,076,991,881.41
  5. Step 5: Solve for x
    x = 48,076,991,881.41/220,352.26
  6. Step 6: Final answer
    x = 218,182.43

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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.