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Finding the Fourth Proportional to 273,954.97, 378,072.80 and 153,096.49

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Solution

The fourth proportional to 273,954.97, 378,072.80 and 153,096.49 is: 211,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,954.97 : 378,072.80 = 153,096.49 : x
  2. Step 2: Convert to fraction form
    273,954.97/378,072.80 = 153,096.49/x
  3. Step 3: Cross multiply
    273,954.97x = 378,072.80 × 153,096.49
  4. Step 4: Simplify right side
    273,954.97x = 57,881,618,644.47
  5. Step 5: Solve for x
    x = 57,881,618,644.47/273,954.97
  6. Step 6: Final answer
    x = 211,281.51

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1.5x scale

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.