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Finding the Fourth Proportional to 276,850.60, 414,401.10 and 217,364.20

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Solution

The fourth proportional to 276,850.60, 414,401.10 and 217,364.20 is: 325,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,850.60 : 414,401.10 = 217,364.20 : x
  2. Step 2: Convert to fraction form
    276,850.60/414,401.10 = 217,364.20/x
  3. Step 3: Cross multiply
    276,850.60x = 414,401.10 × 217,364.20
  4. Step 4: Simplify right side
    276,850.60x = 90,075,963,580.62
  5. Step 5: Solve for x
    x = 90,075,963,580.62/276,850.60
  6. Step 6: Final answer
    x = 325,359.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.