Home / 260,827.26-390,976.20-148,274.94

Finding the Fourth Proportional to 260,827.26, 390,976.20 and 148,274.94

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Solution

The fourth proportional to 260,827.26, 390,976.20 and 148,274.94 is: 222,261.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,827.26 : 390,976.20 = 148,274.94 : x
  2. Step 2: Convert to fraction form
    260,827.26/390,976.20 = 148,274.94/x
  3. Step 3: Cross multiply
    260,827.26x = 390,976.20 × 148,274.94
  4. Step 4: Simplify right side
    260,827.26x = 57,971,972,596.43
  5. Step 5: Solve for x
    x = 57,971,972,596.43/260,827.26
  6. Step 6: Final answer
    x = 222,261.94

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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.