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Finding the Fourth Proportional to 299,114.40, 448,671.60 and 173,143.20

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Solution

The fourth proportional to 299,114.40, 448,671.60 and 173,143.20 is: 259,714.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,114.40 : 448,671.60 = 173,143.20 : x
  2. Step 2: Convert to fraction form
    299,114.40/448,671.60 = 173,143.20/x
  3. Step 3: Cross multiply
    299,114.40x = 448,671.60 × 173,143.20
  4. Step 4: Simplify right side
    299,114.40x = 77,684,436,573.12
  5. Step 5: Solve for x
    x = 77,684,436,573.12/299,114.40
  6. Step 6: Final answer
    x = 259,714.80

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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.