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Finding the Fourth Proportional to 330,676.74, 496,218.16 and 262,807.29

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Solution

The fourth proportional to 330,676.74, 496,218.16 and 262,807.29 is: 394,372.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,676.74 : 496,218.16 = 262,807.29 : x
  2. Step 2: Convert to fraction form
    330,676.74/496,218.16 = 262,807.29/x
  3. Step 3: Cross multiply
    330,676.74x = 496,218.16 × 262,807.29
  4. Step 4: Simplify right side
    330,676.74x = 130,409,749,878.39
  5. Step 5: Solve for x
    x = 130,409,749,878.39/330,676.74
  6. Step 6: Final answer
    x = 394,372.31

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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.