Home / 328,964.20-493,676.70-210,922.60

Finding the Fourth Proportional to 328,964.20, 493,676.70 and 210,922.60

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Solution

The fourth proportional to 328,964.20, 493,676.70 and 210,922.60 is: 316,531.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,964.20 : 493,676.70 = 210,922.60 : x
  2. Step 2: Convert to fraction form
    328,964.20/493,676.70 = 210,922.60/x
  3. Step 3: Cross multiply
    328,964.20x = 493,676.70 × 210,922.60
  4. Step 4: Simplify right side
    328,964.20x = 104,127,573,123.42
  5. Step 5: Solve for x
    x = 104,127,573,123.42/328,964.20
  6. Step 6: Final answer
    x = 316,531.63

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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.