Home / 328,822.40-493,233.60-299,273.60

Finding the Fourth Proportional to 328,822.40, 493,233.60 and 299,273.60

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Solution

The fourth proportional to 328,822.40, 493,233.60 and 299,273.60 is: 448,910.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,822.40 : 493,233.60 = 299,273.60 : x
  2. Step 2: Convert to fraction form
    328,822.40/493,233.60 = 299,273.60/x
  3. Step 3: Cross multiply
    328,822.40x = 493,233.60 × 299,273.60
  4. Step 4: Simplify right side
    328,822.40x = 147,611,795,112.96
  5. Step 5: Solve for x
    x = 147,611,795,112.96/328,822.40
  6. Step 6: Final answer
    x = 448,910.40

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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.