Home / 259,985.07-389,900.12-110,222.96

Finding the Fourth Proportional to 259,985.07, 389,900.12 and 110,222.96

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Solution

The fourth proportional to 259,985.07, 389,900.12 and 110,222.96 is: 165,301.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,985.07 : 389,900.12 = 110,222.96 : x
  2. Step 2: Convert to fraction form
    259,985.07/389,900.12 = 110,222.96/x
  3. Step 3: Cross multiply
    259,985.07x = 389,900.12 × 110,222.96
  4. Step 4: Simplify right side
    259,985.07x = 42,975,942,830.14
  5. Step 5: Solve for x
    x = 42,975,942,830.14/259,985.07
  6. Step 6: Final answer
    x = 165,301.58

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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.