Home / 838,249.67-1,257,362.22-207,163.46

Finding the Fourth Proportional to 838,249.67, 1,257,362.22 and 207,163.46

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Solution

The fourth proportional to 838,249.67, 1,257,362.22 and 207,163.46 is: 310,742.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,249.67 : 1,257,362.22 = 207,163.46 : x
  2. Step 2: Convert to fraction form
    838,249.67/1,257,362.22 = 207,163.46/x
  3. Step 3: Cross multiply
    838,249.67x = 1,257,362.22 × 207,163.46
  4. Step 4: Simplify right side
    838,249.67x = 260,479,507,968.48
  5. Step 5: Solve for x
    x = 260,479,507,968.48/838,249.67
  6. Step 6: Final answer
    x = 310,742.15

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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.