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Finding the Fourth Proportional to 303,676.48, 455,468.01 and 101,276.13

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Solution

The fourth proportional to 303,676.48, 455,468.01 and 101,276.13 is: 151,898.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,676.48 : 455,468.01 = 101,276.13 : x
  2. Step 2: Convert to fraction form
    303,676.48/455,468.01 = 101,276.13/x
  3. Step 3: Cross multiply
    303,676.48x = 455,468.01 × 101,276.13
  4. Step 4: Simplify right side
    303,676.48x = 46,128,037,391.60
  5. Step 5: Solve for x
    x = 46,128,037,391.60/303,676.48
  6. Step 6: Final answer
    x = 151,898.62

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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.