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Finding the Fourth Proportional to 296,515.66, 444,774.42 and 71,875.24

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Solution

The fourth proportional to 296,515.66, 444,774.42 and 71,875.24 is: 107,813.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,515.66 : 444,774.42 = 71,875.24 : x
  2. Step 2: Convert to fraction form
    296,515.66/444,774.42 = 71,875.24/x
  3. Step 3: Cross multiply
    296,515.66x = 444,774.42 × 71,875.24
  4. Step 4: Simplify right side
    296,515.66x = 31,968,268,183.36
  5. Step 5: Solve for x
    x = 31,968,268,183.36/296,515.66
  6. Step 6: Final answer
    x = 107,813.09

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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.