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Finding the Fourth Proportional to 318,341, 439,372.97 and 182,466.02

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Solution

The fourth proportional to 318,341, 439,372.97 and 182,466.02 is: 251,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,341 : 439,372.97 = 182,466.02 : x
  2. Step 2: Convert to fraction form
    318,341/439,372.97 = 182,466.02/x
  3. Step 3: Cross multiply
    318,341x = 439,372.97 × 182,466.02
  4. Step 4: Simplify right side
    318,341x = 80,170,637,131.48
  5. Step 5: Solve for x
    x = 80,170,637,131.48/318,341
  6. Step 6: Final answer
    x = 251,838.87

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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.