Home / 628,025.70-942,049.35-178,758.12

Finding the Fourth Proportional to 628,025.70, 942,049.35 and 178,758.12

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Solution

The fourth proportional to 628,025.70, 942,049.35 and 178,758.12 is: 268,140.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,025.70 : 942,049.35 = 178,758.12 : x
  2. Step 2: Convert to fraction form
    628,025.70/942,049.35 = 178,758.12/x
  3. Step 3: Cross multiply
    628,025.70x = 942,049.35 × 178,758.12
  4. Step 4: Simplify right side
    628,025.70x = 168,398,970,753.22
  5. Step 5: Solve for x
    x = 168,398,970,753.22/628,025.70
  6. Step 6: Final answer
    x = 268,140.25

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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.