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Finding the Fourth Proportional to 254,438.80, 381,658.20 and 248,606.80

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Solution

The fourth proportional to 254,438.80, 381,658.20 and 248,606.80 is: 372,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,438.80 : 381,658.20 = 248,606.80 : x
  2. Step 2: Convert to fraction form
    254,438.80/381,658.20 = 248,606.80/x
  3. Step 3: Cross multiply
    254,438.80x = 381,658.20 × 248,606.80
  4. Step 4: Simplify right side
    254,438.80x = 94,882,823,795.76
  5. Step 5: Solve for x
    x = 94,882,823,795.76/254,438.80
  6. Step 6: Final answer
    x = 372,910.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.