Home / 421,537.50-632,229.03-121,944.42

Finding the Fourth Proportional to 421,537.50, 632,229.03 and 121,944.42

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Solution

The fourth proportional to 421,537.50, 632,229.03 and 121,944.42 is: 182,894.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,537.50 : 632,229.03 = 121,944.42 : x
  2. Step 2: Convert to fraction form
    421,537.50/632,229.03 = 121,944.42/x
  3. Step 3: Cross multiply
    421,537.50x = 632,229.03 × 121,944.42
  4. Step 4: Simplify right side
    421,537.50x = 77,096,802,370.51
  5. Step 5: Solve for x
    x = 77,096,802,370.51/421,537.50
  6. Step 6: Final answer
    x = 182,894.29

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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.