Home / 254,827.20-382,286.70-104,985.60

Finding the Fourth Proportional to 254,827.20, 382,286.70 and 104,985.60

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Solution

The fourth proportional to 254,827.20, 382,286.70 and 104,985.60 is: 157,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,827.20 : 382,286.70 = 104,985.60 : x
  2. Step 2: Convert to fraction form
    254,827.20/382,286.70 = 104,985.60/x
  3. Step 3: Cross multiply
    254,827.20x = 382,286.70 × 104,985.60
  4. Step 4: Simplify right side
    254,827.20x = 40,134,598,571.52
  5. Step 5: Solve for x
    x = 40,134,598,571.52/254,827.20
  6. Step 6: Final answer
    x = 157,497.31

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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.