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Finding the Fourth Proportional to 303,896.94, 455,845.61 and 79,256.80

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Solution

The fourth proportional to 303,896.94, 455,845.61 and 79,256.80 is: 118,885.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,896.94 : 455,845.61 = 79,256.80 : x
  2. Step 2: Convert to fraction form
    303,896.94/455,845.61 = 79,256.80/x
  3. Step 3: Cross multiply
    303,896.94x = 455,845.61 × 79,256.80
  4. Step 4: Simplify right side
    303,896.94x = 36,128,864,342.65
  5. Step 5: Solve for x
    x = 36,128,864,342.65/303,896.94
  6. Step 6: Final answer
    x = 118,885.25

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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.