Home / 278,464.53-384,270.77-151,137.39

Finding the Fourth Proportional to 278,464.53, 384,270.77 and 151,137.39

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Solution

The fourth proportional to 278,464.53, 384,270.77 and 151,137.39 is: 208,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,464.53 : 384,270.77 = 151,137.39 : x
  2. Step 2: Convert to fraction form
    278,464.53/384,270.77 = 151,137.39/x
  3. Step 3: Cross multiply
    278,464.53x = 384,270.77 × 151,137.39
  4. Step 4: Simplify right side
    278,464.53x = 58,077,681,231.09
  5. Step 5: Solve for x
    x = 58,077,681,231.09/278,464.53
  6. Step 6: Final answer
    x = 208,564.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.