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Finding the Fourth Proportional to 229,980.33, 345,025.87 and 96,898.66

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Solution

The fourth proportional to 229,980.33, 345,025.87 and 96,898.66 is: 145,371.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,980.33 : 345,025.87 = 96,898.66 : x
  2. Step 2: Convert to fraction form
    229,980.33/345,025.87 = 96,898.66/x
  3. Step 3: Cross multiply
    229,980.33x = 345,025.87 × 96,898.66
  4. Step 4: Simplify right side
    229,980.33x = 33,432,543,363.52
  5. Step 5: Solve for x
    x = 33,432,543,363.52/229,980.33
  6. Step 6: Final answer
    x = 145,371.32

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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.