Home / 396,004.32-546,493.08-214,722.36

Finding the Fourth Proportional to 396,004.32, 546,493.08 and 214,722.36

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Solution

The fourth proportional to 396,004.32, 546,493.08 and 214,722.36 is: 296,320.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,004.32 : 546,493.08 = 214,722.36 : x
  2. Step 2: Convert to fraction form
    396,004.32/546,493.08 = 214,722.36/x
  3. Step 3: Cross multiply
    396,004.32x = 546,493.08 × 214,722.36
  4. Step 4: Simplify right side
    396,004.32x = 117,344,283,861.27
  5. Step 5: Solve for x
    x = 117,344,283,861.27/396,004.32
  6. Step 6: Final answer
    x = 296,320.72

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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.