Home / 396,587.36-547,360.46-224,515.15

Finding the Fourth Proportional to 396,587.36, 547,360.46 and 224,515.15

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Solution

The fourth proportional to 396,587.36, 547,360.46 and 224,515.15 is: 309,870.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,587.36 : 547,360.46 = 224,515.15 : x
  2. Step 2: Convert to fraction form
    396,587.36/547,360.46 = 224,515.15/x
  3. Step 3: Cross multiply
    396,587.36x = 547,360.46 × 224,515.15
  4. Step 4: Simplify right side
    396,587.36x = 122,890,715,780.97
  5. Step 5: Solve for x
    x = 122,890,715,780.97/396,587.36
  6. Step 6: Final answer
    x = 309,870.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.