Home / 343,721.76-474,120.26-203,921.37

Finding the Fourth Proportional to 343,721.76, 474,120.26 and 203,921.37

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Solution

The fourth proportional to 343,721.76, 474,120.26 and 203,921.37 is: 281,283.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,721.76 : 474,120.26 = 203,921.37 : x
  2. Step 2: Convert to fraction form
    343,721.76/474,120.26 = 203,921.37/x
  3. Step 3: Cross multiply
    343,721.76x = 474,120.26 × 203,921.37
  4. Step 4: Simplify right side
    343,721.76x = 96,683,252,963.96
  5. Step 5: Solve for x
    x = 96,683,252,963.96/343,721.76
  6. Step 6: Final answer
    x = 281,283.48

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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.