Home / 366,918.15-550,377.23-260,629.95

Finding the Fourth Proportional to 366,918.15, 550,377.23 and 260,629.95

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Solution

The fourth proportional to 366,918.15, 550,377.23 and 260,629.95 is: 390,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,918.15 : 550,377.23 = 260,629.95 : x
  2. Step 2: Convert to fraction form
    366,918.15/550,377.23 = 260,629.95/x
  3. Step 3: Cross multiply
    366,918.15x = 550,377.23 × 260,629.95
  4. Step 4: Simplify right side
    366,918.15x = 143,444,789,936.04
  5. Step 5: Solve for x
    x = 143,444,789,936.04/366,918.15
  6. Step 6: Final answer
    x = 390,944.93

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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.