Home / 279,669.18-419,869.64-166,024.46

Finding the Fourth Proportional to 279,669.18, 419,869.64 and 166,024.46

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Solution

The fourth proportional to 279,669.18, 419,869.64 and 166,024.46 is: 249,253.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,669.18 : 419,869.64 = 166,024.46 : x
  2. Step 2: Convert to fraction form
    279,669.18/419,869.64 = 166,024.46/x
  3. Step 3: Cross multiply
    279,669.18x = 419,869.64 × 166,024.46
  4. Step 4: Simplify right side
    279,669.18x = 69,708,630,251.39
  5. Step 5: Solve for x
    x = 69,708,630,251.39/279,669.18
  6. Step 6: Final answer
    x = 249,253.89

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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.