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Finding the Fourth Proportional to 303,774.83, 455,660.58 and 123,859.55

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Solution

The fourth proportional to 303,774.83, 455,660.58 and 123,859.55 is: 185,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,774.83 : 455,660.58 = 123,859.55 : x
  2. Step 2: Convert to fraction form
    303,774.83/455,660.58 = 123,859.55/x
  3. Step 3: Cross multiply
    303,774.83x = 455,660.58 × 123,859.55
  4. Step 4: Simplify right side
    303,774.83x = 56,437,914,391.54
  5. Step 5: Solve for x
    x = 56,437,914,391.54/303,774.83
  6. Step 6: Final answer
    x = 185,788.65

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1.5x scale

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.