Home / 366,919.13-550,371.40-208,808.75

Finding the Fourth Proportional to 366,919.13, 550,371.40 and 208,808.75

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Solution

The fourth proportional to 366,919.13, 550,371.40 and 208,808.75 is: 313,208.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,919.13 : 550,371.40 = 208,808.75 : x
  2. Step 2: Convert to fraction form
    366,919.13/550,371.40 = 208,808.75/x
  3. Step 3: Cross multiply
    366,919.13x = 550,371.40 × 208,808.75
  4. Step 4: Simplify right side
    366,919.13x = 114,922,364,069.75
  5. Step 5: Solve for x
    x = 114,922,364,069.75/366,919.13
  6. Step 6: Final answer
    x = 313,208.97

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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.