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Finding the Fourth Proportional to 329,804.58, 494,779.47 and 187,716.72

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Solution

The fourth proportional to 329,804.58, 494,779.47 and 187,716.72 is: 281,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,804.58 : 494,779.47 = 187,716.72 : x
  2. Step 2: Convert to fraction form
    329,804.58/494,779.47 = 187,716.72/x
  3. Step 3: Cross multiply
    329,804.58x = 494,779.47 × 187,716.72
  4. Step 4: Simplify right side
    329,804.58x = 92,878,379,231.74
  5. Step 5: Solve for x
    x = 92,878,379,231.74/329,804.58
  6. Step 6: Final answer
    x = 281,616.40

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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.