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Finding the Fourth Proportional to 243,237.87, 365,081.04 and 123,378.93

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Solution

The fourth proportional to 243,237.87, 365,081.04 and 123,378.93 is: 185,182.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,237.87 : 365,081.04 = 123,378.93 : x
  2. Step 2: Convert to fraction form
    243,237.87/365,081.04 = 123,378.93/x
  3. Step 3: Cross multiply
    243,237.87x = 365,081.04 × 123,378.93
  4. Step 4: Simplify right side
    243,237.87x = 45,043,308,078.49
  5. Step 5: Solve for x
    x = 45,043,308,078.49/243,237.87
  6. Step 6: Final answer
    x = 185,182.13

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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.