Home / 370,317.95-511,080.33-209,183.37

Finding the Fourth Proportional to 370,317.95, 511,080.33 and 209,183.37

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Solution

The fourth proportional to 370,317.95, 511,080.33 and 209,183.37 is: 288,696.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,317.95 : 511,080.33 = 209,183.37 : x
  2. Step 2: Convert to fraction form
    370,317.95/511,080.33 = 209,183.37/x
  3. Step 3: Cross multiply
    370,317.95x = 511,080.33 × 209,183.37
  4. Step 4: Simplify right side
    370,317.95x = 106,909,505,770.11
  5. Step 5: Solve for x
    x = 106,909,505,770.11/370,317.95
  6. Step 6: Final answer
    x = 288,696.53

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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.