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Finding the Fourth Proportional to 238,154.40, 357,523.20 and 236,404.80

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Solution

The fourth proportional to 238,154.40, 357,523.20 and 236,404.80 is: 354,896.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,154.40 : 357,523.20 = 236,404.80 : x
  2. Step 2: Convert to fraction form
    238,154.40/357,523.20 = 236,404.80/x
  3. Step 3: Cross multiply
    238,154.40x = 357,523.20 × 236,404.80
  4. Step 4: Simplify right side
    238,154.40x = 84,520,200,591.36
  5. Step 5: Solve for x
    x = 84,520,200,591.36/238,154.40
  6. Step 6: Final answer
    x = 354,896.66

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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.