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Finding the Fourth Proportional to 299,360.24, 448,801.88 and 172,856.87

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Solution

The fourth proportional to 299,360.24, 448,801.88 and 172,856.87 is: 259,147.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,360.24 : 448,801.88 = 172,856.87 : x
  2. Step 2: Convert to fraction form
    299,360.24/448,801.88 = 172,856.87/x
  3. Step 3: Cross multiply
    299,360.24x = 448,801.88 × 172,856.87
  4. Step 4: Simplify right side
    299,360.24x = 77,578,485,118.62
  5. Step 5: Solve for x
    x = 77,578,485,118.62/299,360.24
  6. Step 6: Final answer
    x = 259,147.60

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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.