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Finding the Fourth Proportional to 493,901.01, 681,583.41 and 267,546.51

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Solution

The fourth proportional to 493,901.01, 681,583.41 and 267,546.51 is: 369,214.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,901.01 : 681,583.41 = 267,546.51 : x
  2. Step 2: Convert to fraction form
    493,901.01/681,583.41 = 267,546.51/x
  3. Step 3: Cross multiply
    493,901.01x = 681,583.41 × 267,546.51
  4. Step 4: Simplify right side
    493,901.01x = 182,355,262,619.40
  5. Step 5: Solve for x
    x = 182,355,262,619.40/493,901.01
  6. Step 6: Final answer
    x = 369,214.19

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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.