Home / 234,621.50-323,419.38-143,809.16

Finding the Fourth Proportional to 234,621.50, 323,419.38 and 143,809.16

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Solution

The fourth proportional to 234,621.50, 323,419.38 and 143,809.16 is: 198,237.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,621.50 : 323,419.38 = 143,809.16 : x
  2. Step 2: Convert to fraction form
    234,621.50/323,419.38 = 143,809.16/x
  3. Step 3: Cross multiply
    234,621.50x = 323,419.38 × 143,809.16
  4. Step 4: Simplify right side
    234,621.50x = 46,510,669,365.52
  5. Step 5: Solve for x
    x = 46,510,669,365.52/234,621.50
  6. Step 6: Final answer
    x = 198,237.03

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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.