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Finding the Fourth Proportional to 303,384.40, 455,951.40 and 264,893.20

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Solution

The fourth proportional to 303,384.40, 455,951.40 and 264,893.20 is: 398,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,384.40 : 455,951.40 = 264,893.20 : x
  2. Step 2: Convert to fraction form
    303,384.40/455,951.40 = 264,893.20/x
  3. Step 3: Cross multiply
    303,384.40x = 455,951.40 × 264,893.20
  4. Step 4: Simplify right side
    303,384.40x = 120,778,425,390.48
  5. Step 5: Solve for x
    x = 120,778,425,390.48/303,384.40
  6. Step 6: Final answer
    x = 398,103.61

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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.