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Finding the Fourth Proportional to 276,010.40, 414,015.60 and 169,722.20

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Solution

The fourth proportional to 276,010.40, 414,015.60 and 169,722.20 is: 254,583.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,010.40 : 414,015.60 = 169,722.20 : x
  2. Step 2: Convert to fraction form
    276,010.40/414,015.60 = 169,722.20/x
  3. Step 3: Cross multiply
    276,010.40x = 414,015.60 × 169,722.20
  4. Step 4: Simplify right side
    276,010.40x = 70,267,638,466.32
  5. Step 5: Solve for x
    x = 70,267,638,466.32/276,010.40
  6. Step 6: Final answer
    x = 254,583.30

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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.