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Finding the Fourth Proportional to 199,379.98, 299,069.94 and 59,137.39

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Solution

The fourth proportional to 199,379.98, 299,069.94 and 59,137.39 is: 88,706.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,379.98 : 299,069.94 = 59,137.39 : x
  2. Step 2: Convert to fraction form
    199,379.98/299,069.94 = 59,137.39/x
  3. Step 3: Cross multiply
    199,379.98x = 299,069.94 × 59,137.39
  4. Step 4: Simplify right side
    199,379.98x = 17,686,215,679.06
  5. Step 5: Solve for x
    x = 17,686,215,679.06/199,379.98
  6. Step 6: Final answer
    x = 88,706.08

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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.