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Finding the Fourth Proportional to 396,307.54, 594,506.22 and 143,706.88

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Solution

The fourth proportional to 396,307.54, 594,506.22 and 143,706.88 is: 215,576.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,307.54 : 594,506.22 = 143,706.88 : x
  2. Step 2: Convert to fraction form
    396,307.54/594,506.22 = 143,706.88/x
  3. Step 3: Cross multiply
    396,307.54x = 594,506.22 × 143,706.88
  4. Step 4: Simplify right side
    396,307.54x = 85,434,634,016.79
  5. Step 5: Solve for x
    x = 85,434,634,016.79/396,307.54
  6. Step 6: Final answer
    x = 215,576.61

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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.