Home / 628,078.12-942,099.54-201,610.60

Finding the Fourth Proportional to 628,078.12, 942,099.54 and 201,610.60

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Solution

The fourth proportional to 628,078.12, 942,099.54 and 201,610.60 is: 302,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,078.12 : 942,099.54 = 201,610.60 : x
  2. Step 2: Convert to fraction form
    628,078.12/942,099.54 = 201,610.60/x
  3. Step 3: Cross multiply
    628,078.12x = 942,099.54 × 201,610.60
  4. Step 4: Simplify right side
    628,078.12x = 189,937,253,519.12
  5. Step 5: Solve for x
    x = 189,937,253,519.12/628,078.12
  6. Step 6: Final answer
    x = 302,410.24

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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.