Home / 422,312.06-582,790.95-231,326.21

Finding the Fourth Proportional to 422,312.06, 582,790.95 and 231,326.21

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Solution

The fourth proportional to 422,312.06, 582,790.95 and 231,326.21 is: 319,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,312.06 : 582,790.95 = 231,326.21 : x
  2. Step 2: Convert to fraction form
    422,312.06/582,790.95 = 231,326.21/x
  3. Step 3: Cross multiply
    422,312.06x = 582,790.95 × 231,326.21
  4. Step 4: Simplify right side
    422,312.06x = 134,814,823,142.78
  5. Step 5: Solve for x
    x = 134,814,823,142.78/422,312.06
  6. Step 6: Final answer
    x = 319,230.34

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1.5x scale

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.