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Finding the Fourth Proportional to 254,450.40, 381,850.50 and 88,238.40

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Solution

The fourth proportional to 254,450.40, 381,850.50 and 88,238.40 is: 132,418.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,450.40 : 381,850.50 = 88,238.40 : x
  2. Step 2: Convert to fraction form
    254,450.40/381,850.50 = 88,238.40/x
  3. Step 3: Cross multiply
    254,450.40x = 381,850.50 × 88,238.40
  4. Step 4: Simplify right side
    254,450.40x = 33,693,877,159.20
  5. Step 5: Solve for x
    x = 33,693,877,159.20/254,450.40
  6. Step 6: Final answer
    x = 132,418.25

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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.