Home / 279,210.05-418,815.08-166,922.38

Finding the Fourth Proportional to 279,210.05, 418,815.08 and 166,922.38

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Solution

The fourth proportional to 279,210.05, 418,815.08 and 166,922.38 is: 250,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,210.05 : 418,815.08 = 166,922.38 : x
  2. Step 2: Convert to fraction form
    279,210.05/418,815.08 = 166,922.38/x
  3. Step 3: Cross multiply
    279,210.05x = 418,815.08 × 166,922.38
  4. Step 4: Simplify right side
    279,210.05x = 69,909,610,248.36
  5. Step 5: Solve for x
    x = 69,909,610,248.36/279,210.05
  6. Step 6: Final answer
    x = 250,383.58

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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.