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Finding the Fourth Proportional to 279,854.34, 419,777.63 and 167,565.56

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Solution

The fourth proportional to 279,854.34, 419,777.63 and 167,565.56 is: 251,346.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,854.34 : 419,777.63 = 167,565.56 : x
  2. Step 2: Convert to fraction form
    279,854.34/419,777.63 = 167,565.56/x
  3. Step 3: Cross multiply
    279,854.34x = 419,777.63 × 167,565.56
  4. Step 4: Simplify right side
    279,854.34x = 70,340,270,709.71
  5. Step 5: Solve for x
    x = 70,340,270,709.71/279,854.34
  6. Step 6: Final answer
    x = 251,346.01

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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.