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Finding the Fourth Proportional to 276,954.60, 414,557.10 and 217,468.20

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Solution

The fourth proportional to 276,954.60, 414,557.10 and 217,468.20 is: 325,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,954.60 : 414,557.10 = 217,468.20 : x
  2. Step 2: Convert to fraction form
    276,954.60/414,557.10 = 217,468.20/x
  3. Step 3: Cross multiply
    276,954.60x = 414,557.10 × 217,468.20
  4. Step 4: Simplify right side
    276,954.60x = 90,152,986,334.22
  5. Step 5: Solve for x
    x = 90,152,986,334.22/276,954.60
  6. Step 6: Final answer
    x = 325,515.40

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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.