Home / 259,984.70-389,899.55-110,222.58

Finding the Fourth Proportional to 259,984.70, 389,899.55 and 110,222.58

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Solution

The fourth proportional to 259,984.70, 389,899.55 and 110,222.58 is: 165,301.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,984.70 : 389,899.55 = 110,222.58 : x
  2. Step 2: Convert to fraction form
    259,984.70/389,899.55 = 110,222.58/x
  3. Step 3: Cross multiply
    259,984.70x = 389,899.55 × 110,222.58
  4. Step 4: Simplify right side
    259,984.70x = 42,975,734,617.40
  5. Step 5: Solve for x
    x = 42,975,734,617.40/259,984.70
  6. Step 6: Final answer
    x = 165,301.02

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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.