Home / 274,842.02-379,256.49-155,610.02

Finding the Fourth Proportional to 274,842.02, 379,256.49 and 155,610.02

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Solution

The fourth proportional to 274,842.02, 379,256.49 and 155,610.02 is: 214,727.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,842.02 : 379,256.49 = 155,610.02 : x
  2. Step 2: Convert to fraction form
    274,842.02/379,256.49 = 155,610.02/x
  3. Step 3: Cross multiply
    274,842.02x = 379,256.49 × 155,610.02
  4. Step 4: Simplify right side
    274,842.02x = 59,016,109,994.03
  5. Step 5: Solve for x
    x = 59,016,109,994.03/274,842.02
  6. Step 6: Final answer
    x = 214,727.39

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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.