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Finding the Fourth Proportional to 469,166.18, 647,450.42 and 254,305.27

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Solution

The fourth proportional to 469,166.18, 647,450.42 and 254,305.27 is: 350,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,166.18 : 647,450.42 = 254,305.27 : x
  2. Step 2: Convert to fraction form
    469,166.18/647,450.42 = 254,305.27/x
  3. Step 3: Cross multiply
    469,166.18x = 647,450.42 × 254,305.27
  4. Step 4: Simplify right side
    469,166.18x = 164,650,053,407.50
  5. Step 5: Solve for x
    x = 164,650,053,407.50/469,166.18
  6. Step 6: Final answer
    x = 350,941.87

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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.