Home / 356,971.41-492,589.17-203,979.24

Finding the Fourth Proportional to 356,971.41, 492,589.17 and 203,979.24

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Solution

The fourth proportional to 356,971.41, 492,589.17 and 203,979.24 is: 281,473.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,971.41 : 492,589.17 = 203,979.24 : x
  2. Step 2: Convert to fraction form
    356,971.41/492,589.17 = 203,979.24/x
  3. Step 3: Cross multiply
    356,971.41x = 492,589.17 × 203,979.24
  4. Step 4: Simplify right side
    356,971.41x = 100,477,964,528.83
  5. Step 5: Solve for x
    x = 100,477,964,528.83/356,971.41
  6. Step 6: Final answer
    x = 281,473.42

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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.