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Finding the Fourth Proportional to 180,233.45, 270,368.67 and 68,008.11

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Solution

The fourth proportional to 180,233.45, 270,368.67 and 68,008.11 is: 102,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,233.45 : 270,368.67 = 68,008.11 : x
  2. Step 2: Convert to fraction form
    180,233.45/270,368.67 = 68,008.11/x
  3. Step 3: Cross multiply
    180,233.45x = 270,368.67 × 68,008.11
  4. Step 4: Simplify right side
    180,233.45x = 18,387,261,108.52
  5. Step 5: Solve for x
    x = 18,387,261,108.52/180,233.45
  6. Step 6: Final answer
    x = 102,019.13

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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.