Home / 328,736.67-493,154.30-115,466.98

Finding the Fourth Proportional to 328,736.67, 493,154.30 and 115,466.98

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Solution

The fourth proportional to 328,736.67, 493,154.30 and 115,466.98 is: 173,217.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,736.67 : 493,154.30 = 115,466.98 : x
  2. Step 2: Convert to fraction form
    328,736.67/493,154.30 = 115,466.98/x
  3. Step 3: Cross multiply
    328,736.67x = 493,154.30 × 115,466.98
  4. Step 4: Simplify right side
    328,736.67x = 56,943,035,884.79
  5. Step 5: Solve for x
    x = 56,943,035,884.79/328,736.67
  6. Step 6: Final answer
    x = 173,217.78

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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.