Home / 209,828.88-289,563.75-114,335.46

Finding the Fourth Proportional to 209,828.88, 289,563.75 and 114,335.46

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Solution

The fourth proportional to 209,828.88, 289,563.75 and 114,335.46 is: 157,782.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,828.88 : 289,563.75 = 114,335.46 : x
  2. Step 2: Convert to fraction form
    209,828.88/289,563.75 = 114,335.46/x
  3. Step 3: Cross multiply
    209,828.88x = 289,563.75 × 114,335.46
  4. Step 4: Simplify right side
    209,828.88x = 33,107,404,555.58
  5. Step 5: Solve for x
    x = 33,107,404,555.58/209,828.88
  6. Step 6: Final answer
    x = 157,782.88

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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.