Home / 230,623.20-345,902.40-72,867.60

Finding the Fourth Proportional to 230,623.20, 345,902.40 and 72,867.60

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Solution

The fourth proportional to 230,623.20, 345,902.40 and 72,867.60 is: 109,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,623.20 : 345,902.40 = 72,867.60 : x
  2. Step 2: Convert to fraction form
    230,623.20/345,902.40 = 72,867.60/x
  3. Step 3: Cross multiply
    230,623.20x = 345,902.40 × 72,867.60
  4. Step 4: Simplify right side
    230,623.20x = 25,205,077,722.24
  5. Step 5: Solve for x
    x = 25,205,077,722.24/230,623.20
  6. Step 6: Final answer
    x = 109,291.16

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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.