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Finding the Fourth Proportional to 260,001.97, 389,716.72 and 170,007.58

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Solution

The fourth proportional to 260,001.97, 389,716.72 and 170,007.58 is: 254,824.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,001.97 : 389,716.72 = 170,007.58 : x
  2. Step 2: Convert to fraction form
    260,001.97/389,716.72 = 170,007.58/x
  3. Step 3: Cross multiply
    260,001.97x = 389,716.72 × 170,007.58
  4. Step 4: Simplify right side
    260,001.97x = 66,254,796,452.74
  5. Step 5: Solve for x
    x = 66,254,796,452.74/260,001.97
  6. Step 6: Final answer
    x = 254,824.21

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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.