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Finding the Fourth Proportional to 262,943.43, 394,415.15 and 63,263.82

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Solution

The fourth proportional to 262,943.43, 394,415.15 and 63,263.82 is: 94,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,943.43 : 394,415.15 = 63,263.82 : x
  2. Step 2: Convert to fraction form
    262,943.43/394,415.15 = 63,263.82/x
  3. Step 3: Cross multiply
    262,943.43x = 394,415.15 × 63,263.82
  4. Step 4: Simplify right side
    262,943.43x = 24,952,210,692.09
  5. Step 5: Solve for x
    x = 24,952,210,692.09/262,943.43
  6. Step 6: Final answer
    x = 94,895.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.