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Finding the Fourth Proportional to 276,483.54, 414,797.82 and 86,936.22

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Solution

The fourth proportional to 276,483.54, 414,797.82 and 86,936.22 is: 130,427.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,483.54 : 414,797.82 = 86,936.22 : x
  2. Step 2: Convert to fraction form
    276,483.54/414,797.82 = 86,936.22/x
  3. Step 3: Cross multiply
    276,483.54x = 414,797.82 × 86,936.22
  4. Step 4: Simplify right side
    276,483.54x = 36,060,954,535.04
  5. Step 5: Solve for x
    x = 36,060,954,535.04/276,483.54
  6. Step 6: Final answer
    x = 130,427.13

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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.