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Finding the Fourth Proportional to 629,676.96, 944,264.88 and 230,226.72

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Solution

The fourth proportional to 629,676.96, 944,264.88 and 230,226.72 is: 345,248.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,676.96 : 944,264.88 = 230,226.72 : x
  2. Step 2: Convert to fraction form
    629,676.96/944,264.88 = 230,226.72/x
  3. Step 3: Cross multiply
    629,676.96x = 944,264.88 × 230,226.72
  4. Step 4: Simplify right side
    629,676.96x = 217,395,006,133.59
  5. Step 5: Solve for x
    x = 217,395,006,133.59/629,676.96
  6. Step 6: Final answer
    x = 345,248.47

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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.