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Finding the Fourth Proportional to 275,357.52, 379,992.93 and 154,510.04

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Solution

The fourth proportional to 275,357.52, 379,992.93 and 154,510.04 is: 213,223.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,357.52 : 379,992.93 = 154,510.04 : x
  2. Step 2: Convert to fraction form
    275,357.52/379,992.93 = 154,510.04/x
  3. Step 3: Cross multiply
    275,357.52x = 379,992.93 × 154,510.04
  4. Step 4: Simplify right side
    275,357.52x = 58,712,720,914.05
  5. Step 5: Solve for x
    x = 58,712,720,914.05/275,357.52
  6. Step 6: Final answer
    x = 213,223.60

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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.