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Finding the Fourth Proportional to 396,068.40, 594,102.60 and 238,215.60

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Solution

The fourth proportional to 396,068.40, 594,102.60 and 238,215.60 is: 357,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,068.40 : 594,102.60 = 238,215.60 : x
  2. Step 2: Convert to fraction form
    396,068.40/594,102.60 = 238,215.60/x
  3. Step 3: Cross multiply
    396,068.40x = 594,102.60 × 238,215.60
  4. Step 4: Simplify right side
    396,068.40x = 141,524,507,320.56
  5. Step 5: Solve for x
    x = 141,524,507,320.56/396,068.40
  6. Step 6: Final answer
    x = 357,323.40

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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.