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Finding the Fourth Proportional to 260,265.43, 359,167.26 and 151,395.89

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Solution

The fourth proportional to 260,265.43, 359,167.26 and 151,395.89 is: 208,926.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,265.43 : 359,167.26 = 151,395.89 : x
  2. Step 2: Convert to fraction form
    260,265.43/359,167.26 = 151,395.89/x
  3. Step 3: Cross multiply
    260,265.43x = 359,167.26 × 151,395.89
  4. Step 4: Simplify right side
    260,265.43x = 54,376,446,229.58
  5. Step 5: Solve for x
    x = 54,376,446,229.58/260,265.43
  6. Step 6: Final answer
    x = 208,926.89

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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.