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Finding the Fourth Proportional to 449,506.62, 674,285.82 and 169,026.30

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Solution

The fourth proportional to 449,506.62, 674,285.82 and 169,026.30 is: 253,549.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,506.62 : 674,285.82 = 169,026.30 : x
  2. Step 2: Convert to fraction form
    449,506.62/674,285.82 = 169,026.30/x
  3. Step 3: Cross multiply
    449,506.62x = 674,285.82 × 169,026.30
  4. Step 4: Simplify right side
    449,506.62x = 113,972,037,297.07
  5. Step 5: Solve for x
    x = 113,972,037,297.07/449,506.62
  6. Step 6: Final answer
    x = 253,549.19

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1.5x scale

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.