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Finding the Fourth Proportional to 272,228.76, 408,310.74 and 72,564.12

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Solution

The fourth proportional to 272,228.76, 408,310.74 and 72,564.12 is: 108,837.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,228.76 : 408,310.74 = 72,564.12 : x
  2. Step 2: Convert to fraction form
    272,228.76/408,310.74 = 72,564.12/x
  3. Step 3: Cross multiply
    272,228.76x = 408,310.74 × 72,564.12
  4. Step 4: Simplify right side
    272,228.76x = 29,628,709,534.65
  5. Step 5: Solve for x
    x = 29,628,709,534.65/272,228.76
  6. Step 6: Final answer
    x = 108,837.54

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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.