Home / 278,473.09-384,282.58-151,145.95

Finding the Fourth Proportional to 278,473.09, 384,282.58 and 151,145.95

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Solution

The fourth proportional to 278,473.09, 384,282.58 and 151,145.95 is: 208,575.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,473.09 : 384,282.58 = 151,145.95 : x
  2. Step 2: Convert to fraction form
    278,473.09/384,282.58 = 151,145.95/x
  3. Step 3: Cross multiply
    278,473.09x = 384,282.58 × 151,145.95
  4. Step 4: Simplify right side
    278,473.09x = 58,082,755,622.55
  5. Step 5: Solve for x
    x = 58,082,755,622.55/278,473.09
  6. Step 6: Final answer
    x = 208,575.83

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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.