Home / 422,106.67-582,502.77-228,510.05

Finding the Fourth Proportional to 422,106.67, 582,502.77 and 228,510.05

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Solution

The fourth proportional to 422,106.67, 582,502.77 and 228,510.05 is: 315,341.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,106.67 : 582,502.77 = 228,510.05 : x
  2. Step 2: Convert to fraction form
    422,106.67/582,502.77 = 228,510.05/x
  3. Step 3: Cross multiply
    422,106.67x = 582,502.77 × 228,510.05
  4. Step 4: Simplify right side
    422,106.67x = 133,107,738,554.10
  5. Step 5: Solve for x
    x = 133,107,738,554.10/422,106.67
  6. Step 6: Final answer
    x = 315,341.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.