Home / 309,250.26-426,775.80-295,078.50

Finding the Fourth Proportional to 309,250.26, 426,775.80 and 295,078.50

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Solution

The fourth proportional to 309,250.26, 426,775.80 and 295,078.50 is: 407,218.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,250.26 : 426,775.80 = 295,078.50 : x
  2. Step 2: Convert to fraction form
    309,250.26/426,775.80 = 295,078.50/x
  3. Step 3: Cross multiply
    309,250.26x = 426,775.80 × 295,078.50
  4. Step 4: Simplify right side
    309,250.26x = 125,932,362,900.30
  5. Step 5: Solve for x
    x = 125,932,362,900.30/309,250.26
  6. Step 6: Final answer
    x = 407,218.29

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1.5x scale

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.