Home / 260,003.98-389,719.72-170,009.58

Finding the Fourth Proportional to 260,003.98, 389,719.72 and 170,009.58

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Solution

The fourth proportional to 260,003.98, 389,719.72 and 170,009.58 is: 254,827.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,003.98 : 389,719.72 = 170,009.58 : x
  2. Step 2: Convert to fraction form
    260,003.98/389,719.72 = 170,009.58/x
  3. Step 3: Cross multiply
    260,003.98x = 389,719.72 × 170,009.58
  4. Step 4: Simplify right side
    260,003.98x = 66,256,085,914.92
  5. Step 5: Solve for x
    x = 66,256,085,914.92/260,003.98
  6. Step 6: Final answer
    x = 254,827.20

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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.