Home / 228,210.02-342,310.77-68,286.05

Finding the Fourth Proportional to 228,210.02, 342,310.77 and 68,286.05

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Solution

The fourth proportional to 228,210.02, 342,310.77 and 68,286.05 is: 102,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,210.02 : 342,310.77 = 68,286.05 : x
  2. Step 2: Convert to fraction form
    228,210.02/342,310.77 = 68,286.05/x
  3. Step 3: Cross multiply
    228,210.02x = 342,310.77 × 68,286.05
  4. Step 4: Simplify right side
    228,210.02x = 23,375,048,644.20
  5. Step 5: Solve for x
    x = 23,375,048,644.20/228,210.02
  6. Step 6: Final answer
    x = 102,427.80

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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.