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Finding the Fourth Proportional to 482,283.30, 665,166.92 and 310,220.94

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Solution

The fourth proportional to 482,283.30, 665,166.92 and 310,220.94 is: 427,857.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,283.30 : 665,166.92 = 310,220.94 : x
  2. Step 2: Convert to fraction form
    482,283.30/665,166.92 = 310,220.94/x
  3. Step 3: Cross multiply
    482,283.30x = 665,166.92 × 310,220.94
  4. Step 4: Simplify right side
    482,283.30x = 206,348,707,179.31
  5. Step 5: Solve for x
    x = 206,348,707,179.31/482,283.30
  6. Step 6: Final answer
    x = 427,857.87

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1.5x scale

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.