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Finding the Fourth Proportional to 503,975.98, 755,876.49 and 171,551.98

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Solution

The fourth proportional to 503,975.98, 755,876.49 and 171,551.98 is: 257,298.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,975.98 : 755,876.49 = 171,551.98 : x
  2. Step 2: Convert to fraction form
    503,975.98/755,876.49 = 171,551.98/x
  3. Step 3: Cross multiply
    503,975.98x = 755,876.49 × 171,551.98
  4. Step 4: Simplify right side
    503,975.98x = 129,672,108,494.95
  5. Step 5: Solve for x
    x = 129,672,108,494.95/503,975.98
  6. Step 6: Final answer
    x = 257,298.19

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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.