Home / 259,211.63-388,511.96-116,890.26

Finding the Fourth Proportional to 259,211.63, 388,511.96 and 116,890.26

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Solution

The fourth proportional to 259,211.63, 388,511.96 and 116,890.26 is: 175,197.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,211.63 : 388,511.96 = 116,890.26 : x
  2. Step 2: Convert to fraction form
    259,211.63/388,511.96 = 116,890.26/x
  3. Step 3: Cross multiply
    259,211.63x = 388,511.96 × 116,890.26
  4. Step 4: Simplify right side
    259,211.63x = 45,413,263,433.06
  5. Step 5: Solve for x
    x = 45,413,263,433.06/259,211.63
  6. Step 6: Final answer
    x = 175,197.63

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1.5x scale

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.