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Finding the Fourth Proportional to 325,975.92, 488,847.24 and 176,326.80

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Solution

The fourth proportional to 325,975.92, 488,847.24 and 176,326.80 is: 264,427.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,975.92 : 488,847.24 = 176,326.80 : x
  2. Step 2: Convert to fraction form
    325,975.92/488,847.24 = 176,326.80/x
  3. Step 3: Cross multiply
    325,975.92x = 488,847.24 × 176,326.80
  4. Step 4: Simplify right side
    325,975.92x = 86,196,869,518.03
  5. Step 5: Solve for x
    x = 86,196,869,518.03/325,975.92
  6. Step 6: Final answer
    x = 264,427.11

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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.