Home / 321,966.90-483,015.15-269,738.10

Finding the Fourth Proportional to 321,966.90, 483,015.15 and 269,738.10

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Solution

The fourth proportional to 321,966.90, 483,015.15 and 269,738.10 is: 404,661.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,966.90 : 483,015.15 = 269,738.10 : x
  2. Step 2: Convert to fraction form
    321,966.90/483,015.15 = 269,738.10/x
  3. Step 3: Cross multiply
    321,966.90x = 483,015.15 × 269,738.10
  4. Step 4: Simplify right side
    321,966.90x = 130,287,588,832.22
  5. Step 5: Solve for x
    x = 130,287,588,832.22/321,966.90
  6. Step 6: Final answer
    x = 404,661.44

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1.5x scale

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.