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Finding the Fourth Proportional to 279,569.64, 419,352.48 and 167,281.16

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Solution

The fourth proportional to 279,569.64, 419,352.48 and 167,281.16 is: 250,920.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,569.64 : 419,352.48 = 167,281.16 : x
  2. Step 2: Convert to fraction form
    279,569.64/419,352.48 = 167,281.16/x
  3. Step 3: Cross multiply
    279,569.64x = 419,352.48 × 167,281.16
  4. Step 4: Simplify right side
    279,569.64x = 70,149,769,303.28
  5. Step 5: Solve for x
    x = 70,149,769,303.28/279,569.64
  6. Step 6: Final answer
    x = 250,920.56

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1.5x scale

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.