Home / 375,664.44-518,254.02-248,517.12

Finding the Fourth Proportional to 375,664.44, 518,254.02 and 248,517.12

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Solution

The fourth proportional to 375,664.44, 518,254.02 and 248,517.12 is: 342,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,664.44 : 518,254.02 = 248,517.12 : x
  2. Step 2: Convert to fraction form
    375,664.44/518,254.02 = 248,517.12/x
  3. Step 3: Cross multiply
    375,664.44x = 518,254.02 × 248,517.12
  4. Step 4: Simplify right side
    375,664.44x = 128,794,996,478.82
  5. Step 5: Solve for x
    x = 128,794,996,478.82/375,664.44
  6. Step 6: Final answer
    x = 342,845.86

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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.