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Finding the Fourth Proportional to 409,604.64, 614,175.48 and 169,582.80

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Solution

The fourth proportional to 409,604.64, 614,175.48 and 169,582.80 is: 254,278.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,604.64 : 614,175.48 = 169,582.80 : x
  2. Step 2: Convert to fraction form
    409,604.64/614,175.48 = 169,582.80/x
  3. Step 3: Cross multiply
    409,604.64x = 614,175.48 × 169,582.80
  4. Step 4: Simplify right side
    409,604.64x = 104,153,597,589.74
  5. Step 5: Solve for x
    x = 104,153,597,589.74/409,604.64
  6. Step 6: Final answer
    x = 254,278.36

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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.