Home / 396,412.06-547,050.07-215,123.93

Finding the Fourth Proportional to 396,412.06, 547,050.07 and 215,123.93

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Solution

The fourth proportional to 396,412.06, 547,050.07 and 215,123.93 is: 296,871.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    396,412.06 : 547,050.07 = 215,123.93 : x
  2. Step 2: Convert to fraction form
    396,412.06/547,050.07 = 215,123.93/x
  3. Step 3: Cross multiply
    396,412.06x = 547,050.07 × 215,123.93
  4. Step 4: Simplify right side
    396,412.06x = 117,683,560,965.18
  5. Step 5: Solve for x
    x = 117,683,560,965.18/396,412.06
  6. Step 6: Final answer
    x = 296,871.80

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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.