Home / 303,153.51-454,771.77-103,420.27

Finding the Fourth Proportional to 303,153.51, 454,771.77 and 103,420.27

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Solution

The fourth proportional to 303,153.51, 454,771.77 and 103,420.27 is: 155,144.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,153.51 : 454,771.77 = 103,420.27 : x
  2. Step 2: Convert to fraction form
    303,153.51/454,771.77 = 103,420.27/x
  3. Step 3: Cross multiply
    303,153.51x = 454,771.77 × 103,420.27
  4. Step 4: Simplify right side
    303,153.51x = 47,032,618,143.37
  5. Step 5: Solve for x
    x = 47,032,618,143.37/303,153.51
  6. Step 6: Final answer
    x = 155,144.56

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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.