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Finding the Fourth Proportional to 299,339.63, 448,771.03 and 172,836.38

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Solution

The fourth proportional to 299,339.63, 448,771.03 and 172,836.38 is: 259,116.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,339.63 : 448,771.03 = 172,836.38 : x
  2. Step 2: Convert to fraction form
    299,339.63/448,771.03 = 172,836.38/x
  3. Step 3: Cross multiply
    299,339.63x = 448,771.03 × 172,836.38
  4. Step 4: Simplify right side
    299,339.63x = 77,563,960,274.07
  5. Step 5: Solve for x
    x = 77,563,960,274.07/299,339.63
  6. Step 6: Final answer
    x = 259,116.91

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1.5x scale

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.