Home / 289,975.13-400,164.86-160,933.08

Finding the Fourth Proportional to 289,975.13, 400,164.86 and 160,933.08

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Solution

The fourth proportional to 289,975.13, 400,164.86 and 160,933.08 is: 222,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,975.13 : 400,164.86 = 160,933.08 : x
  2. Step 2: Convert to fraction form
    289,975.13/400,164.86 = 160,933.08/x
  3. Step 3: Cross multiply
    289,975.13x = 400,164.86 × 160,933.08
  4. Step 4: Simplify right side
    289,975.13x = 64,399,762,622.90
  5. Step 5: Solve for x
    x = 64,399,762,622.90/289,975.13
  6. Step 6: Final answer
    x = 222,087.20

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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.