Home / 281,205.24-421,847.94-103,698.50

Finding the Fourth Proportional to 281,205.24, 421,847.94 and 103,698.50

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Solution

The fourth proportional to 281,205.24, 421,847.94 and 103,698.50 is: 155,562.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,205.24 : 421,847.94 = 103,698.50 : x
  2. Step 2: Convert to fraction form
    281,205.24/421,847.94 = 103,698.50/x
  3. Step 3: Cross multiply
    281,205.24x = 421,847.94 × 103,698.50
  4. Step 4: Simplify right side
    281,205.24x = 43,744,998,606.09
  5. Step 5: Solve for x
    x = 43,744,998,606.09/281,205.24
  6. Step 6: Final answer
    x = 155,562.53

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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.