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Finding the Fourth Proportional to 276,209.92, 414,320.46 and 86,666.32

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Solution

The fourth proportional to 276,209.92, 414,320.46 and 86,666.32 is: 130,001.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,209.92 : 414,320.46 = 86,666.32 : x
  2. Step 2: Convert to fraction form
    276,209.92/414,320.46 = 86,666.32/x
  3. Step 3: Cross multiply
    276,209.92x = 414,320.46 × 86,666.32
  4. Step 4: Simplify right side
    276,209.92x = 35,907,629,568.91
  5. Step 5: Solve for x
    x = 35,907,629,568.91/276,209.92
  6. Step 6: Final answer
    x = 130,001.23

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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.