Home / 290,759.22-401,188.89-169,877.13

Finding the Fourth Proportional to 290,759.22, 401,188.89 and 169,877.13

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Solution

The fourth proportional to 290,759.22, 401,188.89 and 169,877.13 is: 234,396.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,759.22 : 401,188.89 = 169,877.13 : x
  2. Step 2: Convert to fraction form
    290,759.22/401,188.89 = 169,877.13/x
  3. Step 3: Cross multiply
    290,759.22x = 401,188.89 × 169,877.13
  4. Step 4: Simplify right side
    290,759.22x = 68,152,817,221.09
  5. Step 5: Solve for x
    x = 68,152,817,221.09/290,759.22
  6. Step 6: Final answer
    x = 234,396.07

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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.