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Finding the Fourth Proportional to 182,662.49, 274,049.12 and 129,457.44

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Solution

The fourth proportional to 182,662.49, 274,049.12 and 129,457.44 is: 194,225.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,662.49 : 274,049.12 = 129,457.44 : x
  2. Step 2: Convert to fraction form
    182,662.49/274,049.12 = 129,457.44/x
  3. Step 3: Cross multiply
    182,662.49x = 274,049.12 × 129,457.44
  4. Step 4: Simplify right side
    182,662.49x = 35,477,697,833.10
  5. Step 5: Solve for x
    x = 35,477,697,833.10/182,662.49
  6. Step 6: Final answer
    x = 194,225.41

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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.