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Finding the Fourth Proportional to 496,553.94, 744,963.75 and 141,598.98

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Solution

The fourth proportional to 496,553.94, 744,963.75 and 141,598.98 is: 212,436.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,553.94 : 744,963.75 = 141,598.98 : x
  2. Step 2: Convert to fraction form
    496,553.94/744,963.75 = 141,598.98/x
  3. Step 3: Cross multiply
    496,553.94x = 744,963.75 × 141,598.98
  4. Step 4: Simplify right side
    496,553.94x = 105,486,107,136.98
  5. Step 5: Solve for x
    x = 105,486,107,136.98/496,553.94
  6. Step 6: Final answer
    x = 212,436.35

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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.