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Finding the Fourth Proportional to 454,878.24, 681,840.72 and 254,905.44

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Solution

The fourth proportional to 454,878.24, 681,840.72 and 254,905.44 is: 382,091.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,878.24 : 681,840.72 = 254,905.44 : x
  2. Step 2: Convert to fraction form
    454,878.24/681,840.72 = 254,905.44/x
  3. Step 3: Cross multiply
    454,878.24x = 681,840.72 × 254,905.44
  4. Step 4: Simplify right side
    454,878.24x = 173,804,908,741.52
  5. Step 5: Solve for x
    x = 173,804,908,741.52/454,878.24
  6. Step 6: Final answer
    x = 382,091.06

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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.