Home / 361,922.20-542,883.30-272,109.40

Finding the Fourth Proportional to 361,922.20, 542,883.30 and 272,109.40

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Solution

The fourth proportional to 361,922.20, 542,883.30 and 272,109.40 is: 408,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,922.20 : 542,883.30 = 272,109.40 : x
  2. Step 2: Convert to fraction form
    361,922.20/542,883.30 = 272,109.40/x
  3. Step 3: Cross multiply
    361,922.20x = 542,883.30 × 272,109.40
  4. Step 4: Simplify right side
    361,922.20x = 147,723,649,033.02
  5. Step 5: Solve for x
    x = 147,723,649,033.02/361,922.20
  6. Step 6: Final answer
    x = 408,164.10

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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.