Home / 259,948.19-389,582.58-188,142.87

Finding the Fourth Proportional to 259,948.19, 389,582.58 and 188,142.87

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Solution

The fourth proportional to 259,948.19, 389,582.58 and 188,142.87 is: 281,968.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,948.19 : 389,582.58 = 188,142.87 : x
  2. Step 2: Convert to fraction form
    259,948.19/389,582.58 = 188,142.87/x
  3. Step 3: Cross multiply
    259,948.19x = 389,582.58 × 188,142.87
  4. Step 4: Simplify right side
    259,948.19x = 73,297,186,869.68
  5. Step 5: Solve for x
    x = 73,297,186,869.68/259,948.19
  6. Step 6: Final answer
    x = 281,968.44

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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.