Home / 274,863.04-379,308.48-154,009.60

Finding the Fourth Proportional to 274,863.04, 379,308.48 and 154,009.60

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Solution

The fourth proportional to 274,863.04, 379,308.48 and 154,009.60 is: 212,531.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,863.04 : 379,308.48 = 154,009.60 : x
  2. Step 2: Convert to fraction form
    274,863.04/379,308.48 = 154,009.60/x
  3. Step 3: Cross multiply
    274,863.04x = 379,308.48 × 154,009.60
  4. Step 4: Simplify right side
    274,863.04x = 58,417,147,281.41
  5. Step 5: Solve for x
    x = 58,417,147,281.41/274,863.04
  6. Step 6: Final answer
    x = 212,531.84

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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.