Home / 368,919.58-552,315.03-216,655.24

Finding the Fourth Proportional to 368,919.58, 552,315.03 and 216,655.24

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Solution

The fourth proportional to 368,919.58, 552,315.03 and 216,655.24 is: 324,357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,919.58 : 552,315.03 = 216,655.24 : x
  2. Step 2: Convert to fraction form
    368,919.58/552,315.03 = 216,655.24/x
  3. Step 3: Cross multiply
    368,919.58x = 552,315.03 × 216,655.24
  4. Step 4: Simplify right side
    368,919.58x = 119,661,945,380.26
  5. Step 5: Solve for x
    x = 119,661,945,380.26/368,919.58
  6. Step 6: Final answer
    x = 324,357.81

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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.