Home / 254,564.20-381,846.30-238,817.80

Finding the Fourth Proportional to 254,564.20, 381,846.30 and 238,817.80

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Solution

The fourth proportional to 254,564.20, 381,846.30 and 238,817.80 is: 358,226.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,564.20 : 381,846.30 = 238,817.80 : x
  2. Step 2: Convert to fraction form
    254,564.20/381,846.30 = 238,817.80/x
  3. Step 3: Cross multiply
    254,564.20x = 381,846.30 × 238,817.80
  4. Step 4: Simplify right side
    254,564.20x = 91,191,693,304.14
  5. Step 5: Solve for x
    x = 91,191,693,304.14/254,564.20
  6. Step 6: Final answer
    x = 358,226.70

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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.