Home / 356,940.27-492,572.93-203,976.72

Finding the Fourth Proportional to 356,940.27, 492,572.93 and 203,976.72

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Solution

The fourth proportional to 356,940.27, 492,572.93 and 203,976.72 is: 281,485.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,940.27 : 492,572.93 = 203,976.72 : x
  2. Step 2: Convert to fraction form
    356,940.27/492,572.93 = 203,976.72/x
  3. Step 3: Cross multiply
    356,940.27x = 492,572.93 × 203,976.72
  4. Step 4: Simplify right side
    356,940.27x = 100,473,409,602.31
  5. Step 5: Solve for x
    x = 100,473,409,602.31/356,940.27
  6. Step 6: Final answer
    x = 281,485.22

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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.