Home / 366,915.13-550,365.40-208,804.75

Finding the Fourth Proportional to 366,915.13, 550,365.40 and 208,804.75

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Solution

The fourth proportional to 366,915.13, 550,365.40 and 208,804.75 is: 313,202.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,915.13 : 550,365.40 = 208,804.75 : x
  2. Step 2: Convert to fraction form
    366,915.13/550,365.40 = 208,804.75/x
  3. Step 3: Cross multiply
    366,915.13x = 550,365.40 × 208,804.75
  4. Step 4: Simplify right side
    366,915.13x = 114,918,909,755.65
  5. Step 5: Solve for x
    x = 114,918,909,755.65/366,915.13
  6. Step 6: Final answer
    x = 313,202.97

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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.