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Finding the Fourth Proportional to 254,441.40, 381,662.10 and 88,246.20

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Solution

The fourth proportional to 254,441.40, 381,662.10 and 88,246.20 is: 132,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,441.40 : 381,662.10 = 88,246.20 : x
  2. Step 2: Convert to fraction form
    254,441.40/381,662.10 = 88,246.20/x
  3. Step 3: Cross multiply
    254,441.40x = 381,662.10 × 88,246.20
  4. Step 4: Simplify right side
    254,441.40x = 33,680,230,009.02
  5. Step 5: Solve for x
    x = 33,680,230,009.02/254,441.40
  6. Step 6: Final answer
    x = 132,369.30

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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.