Home / 274,829.64-379,178.82-153,954.60

Finding the Fourth Proportional to 274,829.64, 379,178.82 and 153,954.60

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Solution

The fourth proportional to 274,829.64, 379,178.82 and 153,954.60 is: 212,409.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,829.64 : 379,178.82 = 153,954.60 : x
  2. Step 2: Convert to fraction form
    274,829.64/379,178.82 = 153,954.60/x
  3. Step 3: Cross multiply
    274,829.64x = 379,178.82 × 153,954.60
  4. Step 4: Simplify right side
    274,829.64x = 58,376,323,561.57
  5. Step 5: Solve for x
    x = 58,376,323,561.57/274,829.64
  6. Step 6: Final answer
    x = 212,409.13

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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.