Home / 297,927.72-411,135.35-161,965.04

Finding the Fourth Proportional to 297,927.72, 411,135.35 and 161,965.04

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Solution

The fourth proportional to 297,927.72, 411,135.35 and 161,965.04 is: 223,509.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,927.72 : 411,135.35 = 161,965.04 : x
  2. Step 2: Convert to fraction form
    297,927.72/411,135.35 = 161,965.04/x
  3. Step 3: Cross multiply
    297,927.72x = 411,135.35 × 161,965.04
  4. Step 4: Simplify right side
    297,927.72x = 66,589,550,542.66
  5. Step 5: Solve for x
    x = 66,589,550,542.66/297,927.72
  6. Step 6: Final answer
    x = 223,509.08

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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.