Home / 438,769.38-657,656.52-201,622.03

Finding the Fourth Proportional to 438,769.38, 657,656.52 and 201,622.03

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Solution

The fourth proportional to 438,769.38, 657,656.52 and 201,622.03 is: 302,204.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,769.38 : 657,656.52 = 201,622.03 : x
  2. Step 2: Convert to fraction form
    438,769.38/657,656.52 = 201,622.03/x
  3. Step 3: Cross multiply
    438,769.38x = 657,656.52 × 201,622.03
  4. Step 4: Simplify right side
    438,769.38x = 132,598,042,605.14
  5. Step 5: Solve for x
    x = 132,598,042,605.14/438,769.38
  6. Step 6: Final answer
    x = 302,204.41

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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.