Home / 350,147.51-483,427.03-285,770.53

Finding the Fourth Proportional to 350,147.51, 483,427.03 and 285,770.53

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Solution

The fourth proportional to 350,147.51, 483,427.03 and 285,770.53 is: 394,545.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,147.51 : 483,427.03 = 285,770.53 : x
  2. Step 2: Convert to fraction form
    350,147.51/483,427.03 = 285,770.53/x
  3. Step 3: Cross multiply
    350,147.51x = 483,427.03 × 285,770.53
  4. Step 4: Simplify right side
    350,147.51x = 138,149,198,579.43
  5. Step 5: Solve for x
    x = 138,149,198,579.43/350,147.51
  6. Step 6: Final answer
    x = 394,545.71

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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.