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Finding the Fourth Proportional to 449,134.80, 619,784.24 and 255,524.28

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Solution

The fourth proportional to 449,134.80, 619,784.24 and 255,524.28 is: 352,611.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,134.80 : 619,784.24 = 255,524.28 : x
  2. Step 2: Convert to fraction form
    449,134.80/619,784.24 = 255,524.28/x
  3. Step 3: Cross multiply
    449,134.80x = 619,784.24 × 255,524.28
  4. Step 4: Simplify right side
    449,134.80x = 158,369,921,681.35
  5. Step 5: Solve for x
    x = 158,369,921,681.35/449,134.80
  6. Step 6: Final answer
    x = 352,611.11

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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.