Home / 303,629.03-454,945.04-103,840.42

Finding the Fourth Proportional to 303,629.03, 454,945.04 and 103,840.42

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Solution

The fourth proportional to 303,629.03, 454,945.04 and 103,840.42 is: 155,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,629.03 : 454,945.04 = 103,840.42 : x
  2. Step 2: Convert to fraction form
    303,629.03/454,945.04 = 103,840.42/x
  3. Step 3: Cross multiply
    303,629.03x = 454,945.04 × 103,840.42
  4. Step 4: Simplify right side
    303,629.03x = 47,241,681,755.79
  5. Step 5: Solve for x
    x = 47,241,681,755.79/303,629.03
  6. Step 6: Final answer
    x = 155,590.13

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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.