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Finding the Fourth Proportional to 276,609.60, 414,914.40 and 89,621.10

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Solution

The fourth proportional to 276,609.60, 414,914.40 and 89,621.10 is: 134,431.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,609.60 : 414,914.40 = 89,621.10 : x
  2. Step 2: Convert to fraction form
    276,609.60/414,914.40 = 89,621.10/x
  3. Step 3: Cross multiply
    276,609.60x = 414,914.40 × 89,621.10
  4. Step 4: Simplify right side
    276,609.60x = 37,185,084,933.84
  5. Step 5: Solve for x
    x = 37,185,084,933.84/276,609.60
  6. Step 6: Final answer
    x = 134,431.65

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Similar ratio
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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.