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Finding the Fourth Proportional to 325,559.76, 488,479.04 and 167,898.94

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Solution

The fourth proportional to 325,559.76, 488,479.04 and 167,898.94 is: 251,920.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,559.76 : 488,479.04 = 167,898.94 : x
  2. Step 2: Convert to fraction form
    325,559.76/488,479.04 = 167,898.94/x
  3. Step 3: Cross multiply
    325,559.76x = 488,479.04 × 167,898.94
  4. Step 4: Simplify right side
    325,559.76x = 82,015,113,028.22
  5. Step 5: Solve for x
    x = 82,015,113,028.22/325,559.76
  6. Step 6: Final answer
    x = 251,920.30

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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.