Home / 278,407.26-384,202.01-151,082.85

Finding the Fourth Proportional to 278,407.26, 384,202.01 and 151,082.85

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Solution

The fourth proportional to 278,407.26, 384,202.01 and 151,082.85 is: 208,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,407.26 : 384,202.01 = 151,082.85 : x
  2. Step 2: Convert to fraction form
    278,407.26/384,202.01 = 151,082.85/x
  3. Step 3: Cross multiply
    278,407.26x = 384,202.01 × 151,082.85
  4. Step 4: Simplify right side
    278,407.26x = 58,046,336,464.99
  5. Step 5: Solve for x
    x = 58,046,336,464.99/278,407.26
  6. Step 6: Final answer
    x = 208,494.33

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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.