Home / 278,557.26-384,407.94-151,232.82

Finding the Fourth Proportional to 278,557.26, 384,407.94 and 151,232.82

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Solution

The fourth proportional to 278,557.26, 384,407.94 and 151,232.82 is: 208,700.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,557.26 : 384,407.94 = 151,232.82 : x
  2. Step 2: Convert to fraction form
    278,557.26/384,407.94 = 151,232.82/x
  3. Step 3: Cross multiply
    278,557.26x = 384,407.94 × 151,232.82
  4. Step 4: Simplify right side
    278,557.26x = 58,135,096,796.59
  5. Step 5: Solve for x
    x = 58,135,096,796.59/278,557.26
  6. Step 6: Final answer
    x = 208,700.71

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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.