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Finding the Fourth Proportional to 299,333.67, 412,137.50 and 253,917.51

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Solution

The fourth proportional to 299,333.67, 412,137.50 and 253,917.51 is: 349,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,333.67 : 412,137.50 = 253,917.51 : x
  2. Step 2: Convert to fraction form
    299,333.67/412,137.50 = 253,917.51/x
  3. Step 3: Cross multiply
    299,333.67x = 412,137.50 × 253,917.51
  4. Step 4: Simplify right side
    299,333.67x = 104,648,926,508.04
  5. Step 5: Solve for x
    x = 104,648,926,508.04/299,333.67
  6. Step 6: Final answer
    x = 349,606.27

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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.