Home / 350,450.02-483,621.29-189,305.07

Finding the Fourth Proportional to 350,450.02, 483,621.29 and 189,305.07

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Solution

The fourth proportional to 350,450.02, 483,621.29 and 189,305.07 is: 261,241.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,450.02 : 483,621.29 = 189,305.07 : x
  2. Step 2: Convert to fraction form
    350,450.02/483,621.29 = 189,305.07/x
  3. Step 3: Cross multiply
    350,450.02x = 483,621.29 × 189,305.07
  4. Step 4: Simplify right side
    350,450.02x = 91,551,961,920.31
  5. Step 5: Solve for x
    x = 91,551,961,920.31/350,450.02
  6. Step 6: Final answer
    x = 261,241.14

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1.5x scale

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.