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Finding the Fourth Proportional to 329,713.72, 491,607.63 and 301,563.54

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Solution

The fourth proportional to 329,713.72, 491,607.63 and 301,563.54 is: 449,635.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,713.72 : 491,607.63 = 301,563.54 : x
  2. Step 2: Convert to fraction form
    329,713.72/491,607.63 = 301,563.54/x
  3. Step 3: Cross multiply
    329,713.72x = 491,607.63 × 301,563.54
  4. Step 4: Simplify right side
    329,713.72x = 148,250,937,193.81
  5. Step 5: Solve for x
    x = 148,250,937,193.81/329,713.72
  6. Step 6: Final answer
    x = 449,635.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.