Home / 306,249.11-458,475.40-214,747.27

Finding the Fourth Proportional to 306,249.11, 458,475.40 and 214,747.27

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Solution

The fourth proportional to 306,249.11, 458,475.40 and 214,747.27 is: 321,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,249.11 : 458,475.40 = 214,747.27 : x
  2. Step 2: Convert to fraction form
    306,249.11/458,475.40 = 214,747.27/x
  3. Step 3: Cross multiply
    306,249.11x = 458,475.40 × 214,747.27
  4. Step 4: Simplify right side
    306,249.11x = 98,456,341,870.59
  5. Step 5: Solve for x
    x = 98,456,341,870.59/306,249.11
  6. Step 6: Final answer
    x = 321,491.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.