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Finding the Fourth Proportional to 260,980.80, 360,326.97 and 200,443.29

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Solution

The fourth proportional to 260,980.80, 360,326.97 and 200,443.29 is: 276,744.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,980.80 : 360,326.97 = 200,443.29 : x
  2. Step 2: Convert to fraction form
    260,980.80/360,326.97 = 200,443.29/x
  3. Step 3: Cross multiply
    260,980.80x = 360,326.97 × 200,443.29
  4. Step 4: Simplify right side
    260,980.80x = 72,225,123,342.53
  5. Step 5: Solve for x
    x = 72,225,123,342.53/260,980.80
  6. Step 6: Final answer
    x = 276,744.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.