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Finding the Fourth Proportional to 320,241.88, 479,974.41 and 235,213.63

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Solution

The fourth proportional to 320,241.88, 479,974.41 and 235,213.63 is: 352,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,241.88 : 479,974.41 = 235,213.63 : x
  2. Step 2: Convert to fraction form
    320,241.88/479,974.41 = 235,213.63/x
  3. Step 3: Cross multiply
    320,241.88x = 479,974.41 × 235,213.63
  4. Step 4: Simplify right side
    320,241.88x = 112,896,523,283.21
  5. Step 5: Solve for x
    x = 112,896,523,283.21/320,241.88
  6. Step 6: Final answer
    x = 352,535.16

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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.