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Finding the Fourth Proportional to 272,797.48, 409,196.22 and 104,334.92

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Solution

The fourth proportional to 272,797.48, 409,196.22 and 104,334.92 is: 156,502.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,797.48 : 409,196.22 = 104,334.92 : x
  2. Step 2: Convert to fraction form
    272,797.48/409,196.22 = 104,334.92/x
  3. Step 3: Cross multiply
    272,797.48x = 409,196.22 × 104,334.92
  4. Step 4: Simplify right side
    272,797.48x = 42,693,454,878.00
  5. Step 5: Solve for x
    x = 42,693,454,878.00/272,797.48
  6. Step 6: Final answer
    x = 156,502.38

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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.