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Finding the Fourth Proportional to 272,584, 376,125.55 and 163,665.33

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Solution

The fourth proportional to 272,584, 376,125.55 and 163,665.33 is: 225,833.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,584 : 376,125.55 = 163,665.33 : x
  2. Step 2: Convert to fraction form
    272,584/376,125.55 = 163,665.33/x
  3. Step 3: Cross multiply
    272,584x = 376,125.55 × 163,665.33
  4. Step 4: Simplify right side
    272,584x = 61,558,712,262.18
  5. Step 5: Solve for x
    x = 61,558,712,262.18/272,584
  6. Step 6: Final answer
    x = 225,833.92

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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.