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Finding the Fourth Proportional to 299,089.20, 448,504.20 and 121,537.20

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Solution

The fourth proportional to 299,089.20, 448,504.20 and 121,537.20 is: 182,253.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,089.20 : 448,504.20 = 121,537.20 : x
  2. Step 2: Convert to fraction form
    299,089.20/448,504.20 = 121,537.20/x
  3. Step 3: Cross multiply
    299,089.20x = 448,504.20 × 121,537.20
  4. Step 4: Simplify right side
    299,089.20x = 54,509,944,656.24
  5. Step 5: Solve for x
    x = 54,509,944,656.24/299,089.20
  6. Step 6: Final answer
    x = 182,253.14

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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.