Home / 274,293.90-378,554.13-158,011.38

Finding the Fourth Proportional to 274,293.90, 378,554.13 and 158,011.38

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Solution

The fourth proportional to 274,293.90, 378,554.13 and 158,011.38 is: 218,072.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,293.90 : 378,554.13 = 158,011.38 : x
  2. Step 2: Convert to fraction form
    274,293.90/378,554.13 = 158,011.38/x
  3. Step 3: Cross multiply
    274,293.90x = 378,554.13 × 158,011.38
  4. Step 4: Simplify right side
    274,293.90x = 59,815,860,486.00
  5. Step 5: Solve for x
    x = 59,815,860,486.00/274,293.90
  6. Step 6: Final answer
    x = 218,072.15

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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.