Home / 303,721.13-455,497.85-114,166.55

Finding the Fourth Proportional to 303,721.13, 455,497.85 and 114,166.55

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Solution

The fourth proportional to 303,721.13, 455,497.85 and 114,166.55 is: 171,218.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,721.13 : 455,497.85 = 114,166.55 : x
  2. Step 2: Convert to fraction form
    303,721.13/455,497.85 = 114,166.55/x
  3. Step 3: Cross multiply
    303,721.13x = 455,497.85 × 114,166.55
  4. Step 4: Simplify right side
    303,721.13x = 52,002,615,218.60
  5. Step 5: Solve for x
    x = 52,002,615,218.60/303,721.13
  6. Step 6: Final answer
    x = 171,218.30

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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.