Home / 321,971.90-483,022.65-269,743.10

Finding the Fourth Proportional to 321,971.90, 483,022.65 and 269,743.10

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Solution

The fourth proportional to 321,971.90, 483,022.65 and 269,743.10 is: 404,668.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,971.90 : 483,022.65 = 269,743.10 : x
  2. Step 2: Convert to fraction form
    321,971.90/483,022.65 = 269,743.10/x
  3. Step 3: Cross multiply
    321,971.90x = 483,022.65 × 269,743.10
  4. Step 4: Simplify right side
    321,971.90x = 130,292,026,981.22
  5. Step 5: Solve for x
    x = 130,292,026,981.22/321,971.90
  6. Step 6: Final answer
    x = 404,668.94

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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.