Home / 218,975.22-302,267.97-143,528.58

Finding the Fourth Proportional to 218,975.22, 302,267.97 and 143,528.58

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Solution

The fourth proportional to 218,975.22, 302,267.97 and 143,528.58 is: 198,123.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,975.22 : 302,267.97 = 143,528.58 : x
  2. Step 2: Convert to fraction form
    218,975.22/302,267.97 = 143,528.58/x
  3. Step 3: Cross multiply
    218,975.22x = 302,267.97 × 143,528.58
  4. Step 4: Simplify right side
    218,975.22x = 43,384,092,513.58
  5. Step 5: Solve for x
    x = 43,384,092,513.58/218,975.22
  6. Step 6: Final answer
    x = 198,123.30

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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.