Home / 396,320.13-594,355.30-130,018.59

Finding the Fourth Proportional to 396,320.13, 594,355.30 and 130,018.59

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Solution

The fourth proportional to 396,320.13, 594,355.30 and 130,018.59 is: 194,986.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,320.13 : 594,355.30 = 130,018.59 : x
  2. Step 2: Convert to fraction form
    396,320.13/594,355.30 = 130,018.59/x
  3. Step 3: Cross multiply
    396,320.13x = 594,355.30 × 130,018.59
  4. Step 4: Simplify right side
    396,320.13x = 77,277,238,065.03
  5. Step 5: Solve for x
    x = 77,277,238,065.03/396,320.13
  6. Step 6: Final answer
    x = 194,986.91

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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.