Home / 628,486.81-942,785.81-179,198.04

Finding the Fourth Proportional to 628,486.81, 942,785.81 and 179,198.04

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Solution

The fourth proportional to 628,486.81, 942,785.81 and 179,198.04 is: 268,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,486.81 : 942,785.81 = 179,198.04 : x
  2. Step 2: Convert to fraction form
    628,486.81/942,785.81 = 179,198.04/x
  3. Step 3: Cross multiply
    628,486.81x = 942,785.81 × 179,198.04
  4. Step 4: Simplify right side
    628,486.81x = 168,945,368,308.08
  5. Step 5: Solve for x
    x = 168,945,368,308.08/628,486.81
  6. Step 6: Final answer
    x = 268,812.91

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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.