Home / 294,728.20-442,092.30-73,112.20

Finding the Fourth Proportional to 294,728.20, 442,092.30 and 73,112.20

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Solution

The fourth proportional to 294,728.20, 442,092.30 and 73,112.20 is: 109,668.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,728.20 : 442,092.30 = 73,112.20 : x
  2. Step 2: Convert to fraction form
    294,728.20/442,092.30 = 73,112.20/x
  3. Step 3: Cross multiply
    294,728.20x = 442,092.30 × 73,112.20
  4. Step 4: Simplify right side
    294,728.20x = 32,322,340,656.06
  5. Step 5: Solve for x
    x = 32,322,340,656.06/294,728.20
  6. Step 6: Final answer
    x = 109,668.30

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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.