Home / 396,585.36-547,357.70-224,513.15

Finding the Fourth Proportional to 396,585.36, 547,357.70 and 224,513.15

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Solution

The fourth proportional to 396,585.36, 547,357.70 and 224,513.15 is: 309,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,585.36 : 547,357.70 = 224,513.15 : x
  2. Step 2: Convert to fraction form
    396,585.36/547,357.70 = 224,513.15/x
  3. Step 3: Cross multiply
    396,585.36x = 547,357.70 × 224,513.15
  4. Step 4: Simplify right side
    396,585.36x = 122,888,999,228.25
  5. Step 5: Solve for x
    x = 122,888,999,228.25/396,585.36
  6. Step 6: Final answer
    x = 309,867.71

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1.5x scale

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.