Home / 421,997.13-582,357.02-231,022.80

Finding the Fourth Proportional to 421,997.13, 582,357.02 and 231,022.80

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Solution

The fourth proportional to 421,997.13, 582,357.02 and 231,022.80 is: 318,812.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,997.13 : 582,357.02 = 231,022.80 : x
  2. Step 2: Convert to fraction form
    421,997.13/582,357.02 = 231,022.80/x
  3. Step 3: Cross multiply
    421,997.13x = 582,357.02 × 231,022.80
  4. Step 4: Simplify right side
    421,997.13x = 134,537,748,204.94
  5. Step 5: Solve for x
    x = 134,537,748,204.94/421,997.13
  6. Step 6: Final answer
    x = 318,812.00

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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.