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Finding the Fourth Proportional to 375,371.28, 518,019.12 and 205,594.47

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Solution

The fourth proportional to 375,371.28, 518,019.12 and 205,594.47 is: 283,724.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,371.28 : 518,019.12 = 205,594.47 : x
  2. Step 2: Convert to fraction form
    375,371.28/518,019.12 = 205,594.47/x
  3. Step 3: Cross multiply
    375,371.28x = 518,019.12 × 205,594.47
  4. Step 4: Simplify right side
    375,371.28x = 106,501,866,426.27
  5. Step 5: Solve for x
    x = 106,501,866,426.27/375,371.28
  6. Step 6: Final answer
    x = 283,724.07

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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.