Home / 451,836.24-677,313.68-215,115.36

Finding the Fourth Proportional to 451,836.24, 677,313.68 and 215,115.36

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Solution

The fourth proportional to 451,836.24, 677,313.68 and 215,115.36 is: 322,463.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,836.24 : 677,313.68 = 215,115.36 : x
  2. Step 2: Convert to fraction form
    451,836.24/677,313.68 = 215,115.36/x
  3. Step 3: Cross multiply
    451,836.24x = 677,313.68 × 215,115.36
  4. Step 4: Simplify right side
    451,836.24x = 145,700,576,106.13
  5. Step 5: Solve for x
    x = 145,700,576,106.13/451,836.24
  6. Step 6: Final answer
    x = 322,463.24

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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.