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Finding the Fourth Proportional to 510,099.60, 765,125.10 and 173,107.20

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Solution

The fourth proportional to 510,099.60, 765,125.10 and 173,107.20 is: 259,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,099.60 : 765,125.10 = 173,107.20 : x
  2. Step 2: Convert to fraction form
    510,099.60/765,125.10 = 173,107.20/x
  3. Step 3: Cross multiply
    510,099.60x = 765,125.10 × 173,107.20
  4. Step 4: Simplify right side
    510,099.60x = 132,448,663,710.72
  5. Step 5: Solve for x
    x = 132,448,663,710.72/510,099.60
  6. Step 6: Final answer
    x = 259,652.55

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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.