Home / 328,619.60-493,016.73-103,984.03

Finding the Fourth Proportional to 328,619.60, 493,016.73 and 103,984.03

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Solution

The fourth proportional to 328,619.60, 493,016.73 and 103,984.03 is: 156,003.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,619.60 : 493,016.73 = 103,984.03 : x
  2. Step 2: Convert to fraction form
    328,619.60/493,016.73 = 103,984.03/x
  3. Step 3: Cross multiply
    328,619.60x = 493,016.73 × 103,984.03
  4. Step 4: Simplify right side
    328,619.60x = 51,265,866,442.82
  5. Step 5: Solve for x
    x = 51,265,866,442.82/328,619.60
  6. Step 6: Final answer
    x = 156,003.68

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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.