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Finding the Fourth Proportional to 172,967.40, 259,451.10 and 170,634.60

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Solution

The fourth proportional to 172,967.40, 259,451.10 and 170,634.60 is: 255,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,967.40 : 259,451.10 = 170,634.60 : x
  2. Step 2: Convert to fraction form
    172,967.40/259,451.10 = 170,634.60/x
  3. Step 3: Cross multiply
    172,967.40x = 259,451.10 × 170,634.60
  4. Step 4: Simplify right side
    172,967.40x = 44,271,334,668.06
  5. Step 5: Solve for x
    x = 44,271,334,668.06/172,967.40
  6. Step 6: Final answer
    x = 255,951.90

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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.