Home / 305,890.43-422,196.26-169,971.08

Finding the Fourth Proportional to 305,890.43, 422,196.26 and 169,971.08

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Solution

The fourth proportional to 305,890.43, 422,196.26 and 169,971.08 is: 234,597.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,890.43 : 422,196.26 = 169,971.08 : x
  2. Step 2: Convert to fraction form
    305,890.43/422,196.26 = 169,971.08/x
  3. Step 3: Cross multiply
    305,890.43x = 422,196.26 × 169,971.08
  4. Step 4: Simplify right side
    305,890.43x = 71,761,154,284.16
  5. Step 5: Solve for x
    x = 71,761,154,284.16/305,890.43
  6. Step 6: Final answer
    x = 234,597.58

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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.