Home / 331,945.31-497,077.14-205,831.87

Finding the Fourth Proportional to 331,945.31, 497,077.14 and 205,831.87

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Solution

The fourth proportional to 331,945.31, 497,077.14 and 205,831.87 is: 308,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,945.31 : 497,077.14 = 205,831.87 : x
  2. Step 2: Convert to fraction form
    331,945.31/497,077.14 = 205,831.87/x
  3. Step 3: Cross multiply
    331,945.31x = 497,077.14 × 205,831.87
  4. Step 4: Simplify right side
    331,945.31x = 102,314,315,631.82
  5. Step 5: Solve for x
    x = 102,314,315,631.82/331,945.31
  6. Step 6: Final answer
    x = 308,226.43

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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.