Home / 259,737.90-389,730.21-179,898.72

Finding the Fourth Proportional to 259,737.90, 389,730.21 and 179,898.72

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Solution

The fourth proportional to 259,737.90, 389,730.21 and 179,898.72 is: 269,933.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,737.90 : 389,730.21 = 179,898.72 : x
  2. Step 2: Convert to fraction form
    259,737.90/389,730.21 = 179,898.72/x
  3. Step 3: Cross multiply
    259,737.90x = 389,730.21 × 179,898.72
  4. Step 4: Simplify right side
    259,737.90x = 70,111,965,924.33
  5. Step 5: Solve for x
    x = 70,111,965,924.33/259,737.90
  6. Step 6: Final answer
    x = 269,933.52

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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.