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Finding the Fourth Proportional to 171,370.60, 257,055.90 and 170,204.20

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Solution

The fourth proportional to 171,370.60, 257,055.90 and 170,204.20 is: 255,306.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,370.60 : 257,055.90 = 170,204.20 : x
  2. Step 2: Convert to fraction form
    171,370.60/257,055.90 = 170,204.20/x
  3. Step 3: Cross multiply
    171,370.60x = 257,055.90 × 170,204.20
  4. Step 4: Simplify right side
    171,370.60x = 43,751,993,814.78
  5. Step 5: Solve for x
    x = 43,751,993,814.78/171,370.60
  6. Step 6: Final answer
    x = 255,306.30

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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.