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Finding the Fourth Proportional to 276,295.60, 414,200.40 and 187,260.40

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Solution

The fourth proportional to 276,295.60, 414,200.40 and 187,260.40 is: 280,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,295.60 : 414,200.40 = 187,260.40 : x
  2. Step 2: Convert to fraction form
    276,295.60/414,200.40 = 187,260.40/x
  3. Step 3: Cross multiply
    276,295.60x = 414,200.40 × 187,260.40
  4. Step 4: Simplify right side
    276,295.60x = 77,563,332,584.16
  5. Step 5: Solve for x
    x = 77,563,332,584.16/276,295.60
  6. Step 6: Final answer
    x = 280,725.91

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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.