Home / 325,067.52-487,795.02-145,138.96

Finding the Fourth Proportional to 325,067.52, 487,795.02 and 145,138.96

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Solution

The fourth proportional to 325,067.52, 487,795.02 and 145,138.96 is: 217,794.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,067.52 : 487,795.02 = 145,138.96 : x
  2. Step 2: Convert to fraction form
    325,067.52/487,795.02 = 145,138.96/x
  3. Step 3: Cross multiply
    325,067.52x = 487,795.02 × 145,138.96
  4. Step 4: Simplify right side
    325,067.52x = 70,798,061,895.98
  5. Step 5: Solve for x
    x = 70,798,061,895.98/325,067.52
  6. Step 6: Final answer
    x = 217,794.94

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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.