Home / 289,981.44-400,173.57-160,939.39

Finding the Fourth Proportional to 289,981.44, 400,173.57 and 160,939.39

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Solution

The fourth proportional to 289,981.44, 400,173.57 and 160,939.39 is: 222,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,981.44 : 400,173.57 = 160,939.39 : x
  2. Step 2: Convert to fraction form
    289,981.44/400,173.57 = 160,939.39/x
  3. Step 3: Cross multiply
    289,981.44x = 400,173.57 × 160,939.39
  4. Step 4: Simplify right side
    289,981.44x = 64,403,690,646.83
  5. Step 5: Solve for x
    x = 64,403,690,646.83/289,981.44
  6. Step 6: Final answer
    x = 222,095.91

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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.