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Finding the Fourth Proportional to 455,261.00, 682,824.53 and 181,705.64

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Solution

The fourth proportional to 455,261.00, 682,824.53 and 181,705.64 is: 272,531.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,261.00 : 682,824.53 = 181,705.64 : x
  2. Step 2: Convert to fraction form
    455,261.00/682,824.53 = 181,705.64/x
  3. Step 3: Cross multiply
    455,261.00x = 682,824.53 × 181,705.64
  4. Step 4: Simplify right side
    455,261.00x = 124,073,065,271.49
  5. Step 5: Solve for x
    x = 124,073,065,271.49/455,261.00
  6. Step 6: Final answer
    x = 272,531.73

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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.