Home / 279,688.16-419,898.12-166,043.44

Finding the Fourth Proportional to 279,688.16, 419,898.12 and 166,043.44

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Solution

The fourth proportional to 279,688.16, 419,898.12 and 166,043.44 is: 249,282.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,688.16 : 419,898.12 = 166,043.44 : x
  2. Step 2: Convert to fraction form
    279,688.16/419,898.12 = 166,043.44/x
  3. Step 3: Cross multiply
    279,688.16x = 419,898.12 × 166,043.44
  4. Step 4: Simplify right side
    279,688.16x = 69,721,328,294.33
  5. Step 5: Solve for x
    x = 69,721,328,294.33/279,688.16
  6. Step 6: Final answer
    x = 249,282.37

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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.