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Finding the Fourth Proportional to 188,452.80, 282,679.20 and 146,980.80

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Solution

The fourth proportional to 188,452.80, 282,679.20 and 146,980.80 is: 220,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,452.80 : 282,679.20 = 146,980.80 : x
  2. Step 2: Convert to fraction form
    188,452.80/282,679.20 = 146,980.80/x
  3. Step 3: Cross multiply
    188,452.80x = 282,679.20 × 146,980.80
  4. Step 4: Simplify right side
    188,452.80x = 41,548,414,959.36
  5. Step 5: Solve for x
    x = 41,548,414,959.36/188,452.80
  6. Step 6: Final answer
    x = 220,471.20

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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.