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Finding the Fourth Proportional to 318,485.46, 439,459.75 and 182,493.26

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Solution

The fourth proportional to 318,485.46, 439,459.75 and 182,493.26 is: 251,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,485.46 : 439,459.75 = 182,493.26 : x
  2. Step 2: Convert to fraction form
    318,485.46/439,459.75 = 182,493.26/x
  3. Step 3: Cross multiply
    318,485.46x = 439,459.75 × 182,493.26
  4. Step 4: Simplify right side
    318,485.46x = 80,198,442,416.29
  5. Step 5: Solve for x
    x = 80,198,442,416.29/318,485.46
  6. Step 6: Final answer
    x = 251,811.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.