Home / 368,268.90-551,899.36-278,237.60

Finding the Fourth Proportional to 368,268.90, 551,899.36 and 278,237.60

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Solution

The fourth proportional to 368,268.90, 551,899.36 and 278,237.60 is: 416,975.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,268.90 : 551,899.36 = 278,237.60 : x
  2. Step 2: Convert to fraction form
    368,268.90/551,899.36 = 278,237.60/x
  3. Step 3: Cross multiply
    368,268.90x = 551,899.36 × 278,237.60
  4. Step 4: Simplify right side
    368,268.90x = 153,559,153,367.94
  5. Step 5: Solve for x
    x = 153,559,153,367.94/368,268.90
  6. Step 6: Final answer
    x = 416,975.62

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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.