Home / 396,315.13-594,347.81-130,013.59

Finding the Fourth Proportional to 396,315.13, 594,347.81 and 130,013.59

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Solution

The fourth proportional to 396,315.13, 594,347.81 and 130,013.59 is: 194,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,315.13 : 594,347.81 = 130,013.59 : x
  2. Step 2: Convert to fraction form
    396,315.13/594,347.81 = 130,013.59/x
  3. Step 3: Cross multiply
    396,315.13x = 594,347.81 × 130,013.59
  4. Step 4: Simplify right side
    396,315.13x = 77,273,292,486.74
  5. Step 5: Solve for x
    x = 77,273,292,486.74/396,315.13
  6. Step 6: Final answer
    x = 194,979.42

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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.