Home / 329,929.62-494,795.64-172,071.96

Finding the Fourth Proportional to 329,929.62, 494,795.64 and 172,071.96

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Solution

The fourth proportional to 329,929.62, 494,795.64 and 172,071.96 is: 258,056.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,929.62 : 494,795.64 = 172,071.96 : x
  2. Step 2: Convert to fraction form
    329,929.62/494,795.64 = 172,071.96/x
  3. Step 3: Cross multiply
    329,929.62x = 494,795.64 × 172,071.96
  4. Step 4: Simplify right side
    329,929.62x = 85,140,455,574.25
  5. Step 5: Solve for x
    x = 85,140,455,574.25/329,929.62
  6. Step 6: Final answer
    x = 258,056.42

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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.