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Finding the Fourth Proportional to 276,068.70, 414,103.05 and 247,200.30

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Solution

The fourth proportional to 276,068.70, 414,103.05 and 247,200.30 is: 370,800.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,068.70 : 414,103.05 = 247,200.30 : x
  2. Step 2: Convert to fraction form
    276,068.70/414,103.05 = 247,200.30/x
  3. Step 3: Cross multiply
    276,068.70x = 414,103.05 × 247,200.30
  4. Step 4: Simplify right side
    276,068.70x = 102,366,398,190.92
  5. Step 5: Solve for x
    x = 102,366,398,190.92/276,068.70
  6. Step 6: Final answer
    x = 370,800.45

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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.