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Finding the Fourth Proportional to 452,499.44, 678,136.79 and 171,863.60

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Solution

The fourth proportional to 452,499.44, 678,136.79 and 171,863.60 is: 257,562.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,499.44 : 678,136.79 = 171,863.60 : x
  2. Step 2: Convert to fraction form
    452,499.44/678,136.79 = 171,863.60/x
  3. Step 3: Cross multiply
    452,499.44x = 678,136.79 × 171,863.60
  4. Step 4: Simplify right side
    452,499.44x = 116,547,027,060.82
  5. Step 5: Solve for x
    x = 116,547,027,060.82/452,499.44
  6. Step 6: Final answer
    x = 257,562.81

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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.