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Finding the Fourth Proportional to 396,354.75, 594,594.05 and 130,054.71

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Solution

The fourth proportional to 396,354.75, 594,594.05 and 130,054.71 is: 195,102.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,354.75 : 594,594.05 = 130,054.71 : x
  2. Step 2: Convert to fraction form
    396,354.75/594,594.05 = 130,054.71/x
  3. Step 3: Cross multiply
    396,354.75x = 594,594.05 × 130,054.71
  4. Step 4: Simplify right side
    396,354.75x = 77,329,756,090.20
  5. Step 5: Solve for x
    x = 77,329,756,090.20/396,354.75
  6. Step 6: Final answer
    x = 195,102.38

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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.