Home / 259,890.63-389,972.55-184,475.85

Finding the Fourth Proportional to 259,890.63, 389,972.55 and 184,475.85

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Solution

The fourth proportional to 259,890.63, 389,972.55 and 184,475.85 is: 276,810.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,890.63 : 389,972.55 = 184,475.85 : x
  2. Step 2: Convert to fraction form
    259,890.63/389,972.55 = 184,475.85/x
  3. Step 3: Cross multiply
    259,890.63x = 389,972.55 × 184,475.85
  4. Step 4: Simplify right side
    259,890.63x = 71,940,517,637.92
  5. Step 5: Solve for x
    x = 71,940,517,637.92/259,890.63
  6. Step 6: Final answer
    x = 276,810.74

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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.