Home / 422,986.02-634,516.43-119,382.89

Finding the Fourth Proportional to 422,986.02, 634,516.43 and 119,382.89

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Solution

The fourth proportional to 422,986.02, 634,516.43 and 119,382.89 is: 179,084.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,986.02 : 634,516.43 = 119,382.89 : x
  2. Step 2: Convert to fraction form
    422,986.02/634,516.43 = 119,382.89/x
  3. Step 3: Cross multiply
    422,986.02x = 634,516.43 × 119,382.89
  4. Step 4: Simplify right side
    422,986.02x = 75,750,401,396.39
  5. Step 5: Solve for x
    x = 75,750,401,396.39/422,986.02
  6. Step 6: Final answer
    x = 179,084.88

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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.