Home / 711,418.86-1,067,049.68-178,940.10

Finding the Fourth Proportional to 711,418.86, 1,067,049.68 and 178,940.10

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Solution

The fourth proportional to 711,418.86, 1,067,049.68 and 178,940.10 is: 268,390.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,418.86 : 1,067,049.68 = 178,940.10 : x
  2. Step 2: Convert to fraction form
    711,418.86/1,067,049.68 = 178,940.10/x
  3. Step 3: Cross multiply
    711,418.86x = 1,067,049.68 × 178,940.10
  4. Step 4: Simplify right side
    711,418.86x = 190,937,976,444.17
  5. Step 5: Solve for x
    x = 190,937,976,444.17/711,418.86
  6. Step 6: Final answer
    x = 268,390.38

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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.