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Finding the Fourth Proportional to 337,371.55, 465,271.21 and 279,919.92

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Solution

The fourth proportional to 337,371.55, 465,271.21 and 279,919.92 is: 386,039.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,371.55 : 465,271.21 = 279,919.92 : x
  2. Step 2: Convert to fraction form
    337,371.55/465,271.21 = 279,919.92/x
  3. Step 3: Cross multiply
    337,371.55x = 465,271.21 × 279,919.92
  4. Step 4: Simplify right side
    337,371.55x = 130,238,677,784.47
  5. Step 5: Solve for x
    x = 130,238,677,784.47/337,371.55
  6. Step 6: Final answer
    x = 386,039.31

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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.