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Finding the Fourth Proportional to 202,801.61, 304,179.17 and 53,056.35

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Solution

The fourth proportional to 202,801.61, 304,179.17 and 53,056.35 is: 79,578.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,801.61 : 304,179.17 = 53,056.35 : x
  2. Step 2: Convert to fraction form
    202,801.61/304,179.17 = 53,056.35/x
  3. Step 3: Cross multiply
    202,801.61x = 304,179.17 × 53,056.35
  4. Step 4: Simplify right side
    202,801.61x = 16,138,636,240.95
  5. Step 5: Solve for x
    x = 16,138,636,240.95/202,801.61
  6. Step 6: Final answer
    x = 79,578.44

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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.