Home / 628,151.28-942,313.80-201,586.80

Finding the Fourth Proportional to 628,151.28, 942,313.80 and 201,586.80

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Solution

The fourth proportional to 628,151.28, 942,313.80 and 201,586.80 is: 302,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,151.28 : 942,313.80 = 201,586.80 : x
  2. Step 2: Convert to fraction form
    628,151.28/942,313.80 = 201,586.80/x
  3. Step 3: Cross multiply
    628,151.28x = 942,313.80 × 201,586.80
  4. Step 4: Simplify right side
    628,151.28x = 189,958,023,537.84
  5. Step 5: Solve for x
    x = 189,958,023,537.84/628,151.28
  6. Step 6: Final answer
    x = 302,408.08

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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.