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Finding the Fourth Proportional to 243,263.94, 364,980.15 and 101,185.89

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Solution

The fourth proportional to 243,263.94, 364,980.15 and 101,185.89 is: 151,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,263.94 : 364,980.15 = 101,185.89 : x
  2. Step 2: Convert to fraction form
    243,263.94/364,980.15 = 101,185.89/x
  3. Step 3: Cross multiply
    243,263.94x = 364,980.15 × 101,185.89
  4. Step 4: Simplify right side
    243,263.94x = 36,930,841,310.08
  5. Step 5: Solve for x
    x = 36,930,841,310.08/243,263.94
  6. Step 6: Final answer
    x = 151,813.87

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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.