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Finding the Fourth Proportional to 545,468.29, 818,331.23 and 171,491.29

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Solution

The fourth proportional to 545,468.29, 818,331.23 and 171,491.29 is: 257,277.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,468.29 : 818,331.23 = 171,491.29 : x
  2. Step 2: Convert to fraction form
    545,468.29/818,331.23 = 171,491.29/x
  3. Step 3: Cross multiply
    545,468.29x = 818,331.23 × 171,491.29
  4. Step 4: Simplify right side
    545,468.29x = 140,336,678,279.99
  5. Step 5: Solve for x
    x = 140,336,678,279.99/545,468.29
  6. Step 6: Final answer
    x = 257,277.43

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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.