Home / 393,317.15-589,976.06-168,531.75

Finding the Fourth Proportional to 393,317.15, 589,976.06 and 168,531.75

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Solution

The fourth proportional to 393,317.15, 589,976.06 and 168,531.75 is: 252,797.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,317.15 : 589,976.06 = 168,531.75 : x
  2. Step 2: Convert to fraction form
    393,317.15/589,976.06 = 168,531.75/x
  3. Step 3: Cross multiply
    393,317.15x = 589,976.06 × 168,531.75
  4. Step 4: Simplify right side
    393,317.15x = 99,429,697,007.25
  5. Step 5: Solve for x
    x = 99,429,697,007.25/393,317.15
  6. Step 6: Final answer
    x = 252,797.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.