Home / 279,015.49-385,226.81-214,369.57

Finding the Fourth Proportional to 279,015.49, 385,226.81 and 214,369.57

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Solution

The fourth proportional to 279,015.49, 385,226.81 and 214,369.57 is: 295,972.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,015.49 : 385,226.81 = 214,369.57 : x
  2. Step 2: Convert to fraction form
    279,015.49/385,226.81 = 214,369.57/x
  3. Step 3: Cross multiply
    279,015.49x = 385,226.81 × 214,369.57
  4. Step 4: Simplify right side
    279,015.49x = 82,580,905,612.17
  5. Step 5: Solve for x
    x = 82,580,905,612.17/279,015.49
  6. Step 6: Final answer
    x = 295,972.48

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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.