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Finding the Fourth Proportional to 265,942.85, 366,992.71 and 151,233.95

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Solution

The fourth proportional to 265,942.85, 366,992.71 and 151,233.95 is: 208,698.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,942.85 : 366,992.71 = 151,233.95 : x
  2. Step 2: Convert to fraction form
    265,942.85/366,992.71 = 151,233.95/x
  3. Step 3: Cross multiply
    265,942.85x = 366,992.71 × 151,233.95
  4. Step 4: Simplify right side
    265,942.85x = 55,501,757,693.90
  5. Step 5: Solve for x
    x = 55,501,757,693.90/265,942.85
  6. Step 6: Final answer
    x = 208,698.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.