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Finding the Fourth Proportional to 299,203.88, 448,804.59 and 121,709.39

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Solution

The fourth proportional to 299,203.88, 448,804.59 and 121,709.39 is: 182,563.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,203.88 : 448,804.59 = 121,709.39 : x
  2. Step 2: Convert to fraction form
    299,203.88/448,804.59 = 121,709.39/x
  3. Step 3: Cross multiply
    299,203.88x = 448,804.59 × 121,709.39
  4. Step 4: Simplify right side
    299,203.88x = 54,623,732,878.10
  5. Step 5: Solve for x
    x = 54,623,732,878.10/299,203.88
  6. Step 6: Final answer
    x = 182,563.58

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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.