Home / 366,936.10-550,404.15-278,362.60

Finding the Fourth Proportional to 366,936.10, 550,404.15 and 278,362.60

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Solution

The fourth proportional to 366,936.10, 550,404.15 and 278,362.60 is: 417,543.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,936.10 : 550,404.15 = 278,362.60 : x
  2. Step 2: Convert to fraction form
    366,936.10/550,404.15 = 278,362.60/x
  3. Step 3: Cross multiply
    366,936.10x = 550,404.15 × 278,362.60
  4. Step 4: Simplify right side
    366,936.10x = 153,211,930,244.79
  5. Step 5: Solve for x
    x = 153,211,930,244.79/366,936.10
  6. Step 6: Final answer
    x = 417,543.90

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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.