Home / 350,750.12-484,035.51-189,605.21

Finding the Fourth Proportional to 350,750.12, 484,035.51 and 189,605.21

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Solution

The fourth proportional to 350,750.12, 484,035.51 and 189,605.21 is: 261,655.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,750.12 : 484,035.51 = 189,605.21 : x
  2. Step 2: Convert to fraction form
    350,750.12/484,035.51 = 189,605.21/x
  3. Step 3: Cross multiply
    350,750.12x = 484,035.51 × 189,605.21
  4. Step 4: Simplify right side
    350,750.12x = 91,775,652,811.85
  5. Step 5: Solve for x
    x = 91,775,652,811.85/350,750.12
  6. Step 6: Final answer
    x = 261,655.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.