Home / 209,822.87-289,555.50-114,329.49

Finding the Fourth Proportional to 209,822.87, 289,555.50 and 114,329.49

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Solution

The fourth proportional to 209,822.87, 289,555.50 and 114,329.49 is: 157,774.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,822.87 : 289,555.50 = 114,329.49 : x
  2. Step 2: Convert to fraction form
    209,822.87/289,555.50 = 114,329.49/x
  3. Step 3: Cross multiply
    209,822.87x = 289,555.50 × 114,329.49
  4. Step 4: Simplify right side
    209,822.87x = 33,104,732,641.70
  5. Step 5: Solve for x
    x = 33,104,732,641.70/209,822.87
  6. Step 6: Final answer
    x = 157,774.67

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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.