Home / 328,919.84-493,530.48-178,935.44

Finding the Fourth Proportional to 328,919.84, 493,530.48 and 178,935.44

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Solution

The fourth proportional to 328,919.84, 493,530.48 and 178,935.44 is: 268,485.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,919.84 : 493,530.48 = 178,935.44 : x
  2. Step 2: Convert to fraction form
    328,919.84/493,530.48 = 178,935.44/x
  3. Step 3: Cross multiply
    328,919.84x = 493,530.48 × 178,935.44
  4. Step 4: Simplify right side
    328,919.84x = 88,310,093,592.21
  5. Step 5: Solve for x
    x = 88,310,093,592.21/328,919.84
  6. Step 6: Final answer
    x = 268,485.15

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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.