Home / 305,926.52-422,178.21-169,973.01

Finding the Fourth Proportional to 305,926.52, 422,178.21 and 169,973.01

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Solution

The fourth proportional to 305,926.52, 422,178.21 and 169,973.01 is: 234,562.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,926.52 : 422,178.21 = 169,973.01 : x
  2. Step 2: Convert to fraction form
    305,926.52/422,178.21 = 169,973.01/x
  3. Step 3: Cross multiply
    305,926.52x = 422,178.21 × 169,973.01
  4. Step 4: Simplify right side
    305,926.52x = 71,758,901,110.11
  5. Step 5: Solve for x
    x = 71,758,901,110.11/305,926.52
  6. Step 6: Final answer
    x = 234,562.54

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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.