Home / 279,450.68-385,582.14-166,251.32

Finding the Fourth Proportional to 279,450.68, 385,582.14 and 166,251.32

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Solution

The fourth proportional to 279,450.68, 385,582.14 and 166,251.32 is: 229,391.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,450.68 : 385,582.14 = 166,251.32 : x
  2. Step 2: Convert to fraction form
    279,450.68/385,582.14 = 166,251.32/x
  3. Step 3: Cross multiply
    279,450.68x = 385,582.14 × 166,251.32
  4. Step 4: Simplify right side
    279,450.68x = 64,103,539,743.42
  5. Step 5: Solve for x
    x = 64,103,539,743.42/279,450.68
  6. Step 6: Final answer
    x = 229,391.25

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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.