Home / 366,921.13-550,374.40-208,810.75

Finding the Fourth Proportional to 366,921.13, 550,374.40 and 208,810.75

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Solution

The fourth proportional to 366,921.13, 550,374.40 and 208,810.75 is: 313,211.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,921.13 : 550,374.40 = 208,810.75 : x
  2. Step 2: Convert to fraction form
    366,921.13/550,374.40 = 208,810.75/x
  3. Step 3: Cross multiply
    366,921.13x = 550,374.40 × 208,810.75
  4. Step 4: Simplify right side
    366,921.13x = 114,924,091,244.80
  5. Step 5: Solve for x
    x = 114,924,091,244.80/366,921.13
  6. Step 6: Final answer
    x = 313,211.97

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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.