Home / 493,896.15-681,575.22-279,036.14

Finding the Fourth Proportional to 493,896.15, 681,575.22 and 279,036.14

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Solution

The fourth proportional to 493,896.15, 681,575.22 and 279,036.14 is: 385,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,896.15 : 681,575.22 = 279,036.14 : x
  2. Step 2: Convert to fraction form
    493,896.15/681,575.22 = 279,036.14/x
  3. Step 3: Cross multiply
    493,896.15x = 681,575.22 × 279,036.14
  4. Step 4: Simplify right side
    493,896.15x = 190,184,115,100.58
  5. Step 5: Solve for x
    x = 190,184,115,100.58/493,896.15
  6. Step 6: Final answer
    x = 385,069.04

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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.