Home / 289,979.25-400,170.54-160,937.22

Finding the Fourth Proportional to 289,979.25, 400,170.54 and 160,937.22

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Solution

The fourth proportional to 289,979.25, 400,170.54 and 160,937.22 is: 222,092.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,979.25 : 400,170.54 = 160,937.22 : x
  2. Step 2: Convert to fraction form
    289,979.25/400,170.54 = 160,937.22/x
  3. Step 3: Cross multiply
    289,979.25x = 400,170.54 × 160,937.22
  4. Step 4: Simplify right side
    289,979.25x = 64,402,334,233.50
  5. Step 5: Solve for x
    x = 64,402,334,233.50/289,979.25
  6. Step 6: Final answer
    x = 222,092.91

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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.