Home / 245,418.59-338,563.96-143,448.35

Finding the Fourth Proportional to 245,418.59, 338,563.96 and 143,448.35

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Solution

The fourth proportional to 245,418.59, 338,563.96 and 143,448.35 is: 197,892.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,418.59 : 338,563.96 = 143,448.35 : x
  2. Step 2: Convert to fraction form
    245,418.59/338,563.96 = 143,448.35/x
  3. Step 3: Cross multiply
    245,418.59x = 338,563.96 × 143,448.35
  4. Step 4: Simplify right side
    245,418.59x = 48,566,439,380.03
  5. Step 5: Solve for x
    x = 48,566,439,380.03/245,418.59
  6. Step 6: Final answer
    x = 197,892.26

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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.