Home / 396,314.35-594,346.64-130,012.81

Finding the Fourth Proportional to 396,314.35, 594,346.64 and 130,012.81

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Solution

The fourth proportional to 396,314.35, 594,346.64 and 130,012.81 is: 194,978.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,314.35 : 594,346.64 = 130,012.81 : x
  2. Step 2: Convert to fraction form
    396,314.35/594,346.64 = 130,012.81/x
  3. Step 3: Cross multiply
    396,314.35x = 594,346.64 × 130,012.81
  4. Step 4: Simplify right side
    396,314.35x = 77,272,675,132.08
  5. Step 5: Solve for x
    x = 77,272,675,132.08/396,314.35
  6. Step 6: Final answer
    x = 194,978.24

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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.