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Finding the Fourth Proportional to 272,681.69, 376,316.25 and 163,819.32

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Solution

The fourth proportional to 272,681.69, 376,316.25 and 163,819.32 is: 226,079.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,681.69 : 376,316.25 = 163,819.32 : x
  2. Step 2: Convert to fraction form
    272,681.69/376,316.25 = 163,819.32/x
  3. Step 3: Cross multiply
    272,681.69x = 376,316.25 × 163,819.32
  4. Step 4: Simplify right side
    272,681.69x = 61,647,872,179.95
  5. Step 5: Solve for x
    x = 61,647,872,179.95/272,681.69
  6. Step 6: Final answer
    x = 226,079.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.