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Finding the Fourth Proportional to 180,002.20, 270,003.30 and 171,254.20

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Solution

The fourth proportional to 180,002.20, 270,003.30 and 171,254.20 is: 256,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,002.20 : 270,003.30 = 171,254.20 : x
  2. Step 2: Convert to fraction form
    180,002.20/270,003.30 = 171,254.20/x
  3. Step 3: Cross multiply
    180,002.20x = 270,003.30 × 171,254.20
  4. Step 4: Simplify right side
    180,002.20x = 46,239,199,138.86
  5. Step 5: Solve for x
    x = 46,239,199,138.86/180,002.20
  6. Step 6: Final answer
    x = 256,881.30

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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.