Home / 274,965.17-379,451.42-154,106.42

Finding the Fourth Proportional to 274,965.17, 379,451.42 and 154,106.42

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Solution

The fourth proportional to 274,965.17, 379,451.42 and 154,106.42 is: 212,666.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,965.17 : 379,451.42 = 154,106.42 : x
  2. Step 2: Convert to fraction form
    274,965.17/379,451.42 = 154,106.42/x
  3. Step 3: Cross multiply
    274,965.17x = 379,451.42 × 154,106.42
  4. Step 4: Simplify right side
    274,965.17x = 58,475,899,900.12
  5. Step 5: Solve for x
    x = 58,475,899,900.12/274,965.17
  6. Step 6: Final answer
    x = 212,666.57

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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.