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Finding the Fourth Proportional to 493,026.36, 680,375.88 and 266,671.32

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Solution

The fourth proportional to 493,026.36, 680,375.88 and 266,671.32 is: 368,006.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,026.36 : 680,375.88 = 266,671.32 : x
  2. Step 2: Convert to fraction form
    493,026.36/680,375.88 = 266,671.32/x
  3. Step 3: Cross multiply
    493,026.36x = 680,375.88 × 266,671.32
  4. Step 4: Simplify right side
    493,026.36x = 181,436,734,015.76
  5. Step 5: Solve for x
    x = 181,436,734,015.76/493,026.36
  6. Step 6: Final answer
    x = 368,006.15

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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.