Home / 220,123.40-329,796.30-195,240.20

Finding the Fourth Proportional to 220,123.40, 329,796.30 and 195,240.20

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Solution

The fourth proportional to 220,123.40, 329,796.30 and 195,240.20 is: 292,515.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,123.40 : 329,796.30 = 195,240.20 : x
  2. Step 2: Convert to fraction form
    220,123.40/329,796.30 = 195,240.20/x
  3. Step 3: Cross multiply
    220,123.40x = 329,796.30 × 195,240.20
  4. Step 4: Simplify right side
    220,123.40x = 64,389,495,571.26
  5. Step 5: Solve for x
    x = 64,389,495,571.26/220,123.40
  6. Step 6: Final answer
    x = 292,515.45

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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.