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Finding the Fourth Proportional to 364,964.76, 547,441.47 and 112,248.54

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Solution

The fourth proportional to 364,964.76, 547,441.47 and 112,248.54 is: 168,371.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,964.76 : 547,441.47 = 112,248.54 : x
  2. Step 2: Convert to fraction form
    364,964.76/547,441.47 = 112,248.54/x
  3. Step 3: Cross multiply
    364,964.76x = 547,441.47 × 112,248.54
  4. Step 4: Simplify right side
    364,964.76x = 61,449,505,742.95
  5. Step 5: Solve for x
    x = 61,449,505,742.95/364,964.76
  6. Step 6: Final answer
    x = 168,371.07

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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.