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Finding the Fourth Proportional to 482,415.98, 665,782.68 and 267,597.94

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Solution

The fourth proportional to 482,415.98, 665,782.68 and 267,597.94 is: 369,312.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,415.98 : 665,782.68 = 267,597.94 : x
  2. Step 2: Convert to fraction form
    482,415.98/665,782.68 = 267,597.94/x
  3. Step 3: Cross multiply
    482,415.98x = 665,782.68 × 267,597.94
  4. Step 4: Simplify right side
    482,415.98x = 178,162,073,655.68
  5. Step 5: Solve for x
    x = 178,162,073,655.68/482,415.98
  6. Step 6: Final answer
    x = 369,312.13

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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.