Home / 366,917.13-550,368.40-208,806.75

Finding the Fourth Proportional to 366,917.13, 550,368.40 and 208,806.75

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Solution

The fourth proportional to 366,917.13, 550,368.40 and 208,806.75 is: 313,205.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,917.13 : 550,368.40 = 208,806.75 : x
  2. Step 2: Convert to fraction form
    366,917.13/550,368.40 = 208,806.75/x
  3. Step 3: Cross multiply
    366,917.13x = 550,368.40 × 208,806.75
  4. Step 4: Simplify right side
    366,917.13x = 114,920,636,906.70
  5. Step 5: Solve for x
    x = 114,920,636,906.70/366,917.13
  6. Step 6: Final answer
    x = 313,205.97

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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.