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Finding the Fourth Proportional to 272,588.17, 408,882.16 and 72,903.37

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Solution

The fourth proportional to 272,588.17, 408,882.16 and 72,903.37 is: 109,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,588.17 : 408,882.16 = 72,903.37 : x
  2. Step 2: Convert to fraction form
    272,588.17/408,882.16 = 72,903.37/x
  3. Step 3: Cross multiply
    272,588.17x = 408,882.16 × 72,903.37
  4. Step 4: Simplify right side
    272,588.17x = 29,808,887,396.88
  5. Step 5: Solve for x
    x = 29,808,887,396.88/272,588.17
  6. Step 6: Final answer
    x = 109,355.03

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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.