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Finding the Fourth Proportional to 276,501.60, 414,805.32 and 108,015.12

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Solution

The fourth proportional to 276,501.60, 414,805.32 and 108,015.12 is: 162,043.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,501.60 : 414,805.32 = 108,015.12 : x
  2. Step 2: Convert to fraction form
    276,501.60/414,805.32 = 108,015.12/x
  3. Step 3: Cross multiply
    276,501.60x = 414,805.32 × 108,015.12
  4. Step 4: Simplify right side
    276,501.60x = 44,805,246,416.44
  5. Step 5: Solve for x
    x = 44,805,246,416.44/276,501.60
  6. Step 6: Final answer
    x = 162,043.35

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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.