Home / 279,420.75-385,542.27-182,766.24

Finding the Fourth Proportional to 279,420.75, 385,542.27 and 182,766.24

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Solution

The fourth proportional to 279,420.75, 385,542.27 and 182,766.24 is: 252,179.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,420.75 : 385,542.27 = 182,766.24 : x
  2. Step 2: Convert to fraction form
    279,420.75/385,542.27 = 182,766.24/x
  3. Step 3: Cross multiply
    279,420.75x = 385,542.27 × 182,766.24
  4. Step 4: Simplify right side
    279,420.75x = 70,464,111,048.96
  5. Step 5: Solve for x
    x = 70,464,111,048.96/279,420.75
  6. Step 6: Final answer
    x = 252,179.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.