Home / 220,132.80-329,324.40-190,875.60

Finding the Fourth Proportional to 220,132.80, 329,324.40 and 190,875.60

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Solution

The fourth proportional to 220,132.80, 329,324.40 and 190,875.60 is: 285,554.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,132.80 : 329,324.40 = 190,875.60 : x
  2. Step 2: Convert to fraction form
    220,132.80/329,324.40 = 190,875.60/x
  3. Step 3: Cross multiply
    220,132.80x = 329,324.40 × 190,875.60
  4. Step 4: Simplify right side
    220,132.80x = 62,859,992,444.64
  5. Step 5: Solve for x
    x = 62,859,992,444.64/220,132.80
  6. Step 6: Final answer
    x = 285,554.87

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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.