Home / 396,412.00-547,052.57-215,125.50

Finding the Fourth Proportional to 396,412.00, 547,052.57 and 215,125.50

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Solution

The fourth proportional to 396,412.00, 547,052.57 and 215,125.50 is: 296,875.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,412.00 : 547,052.57 = 215,125.50 : x
  2. Step 2: Convert to fraction form
    396,412.00/547,052.57 = 215,125.50/x
  3. Step 3: Cross multiply
    396,412.00x = 547,052.57 × 215,125.50
  4. Step 4: Simplify right side
    396,412.00x = 117,684,955,721.88
  5. Step 5: Solve for x
    x = 117,684,955,721.88/396,412.00
  6. Step 6: Final answer
    x = 296,875.36

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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.