Home / 245,797.02-339,232.19-138,388.05

Finding the Fourth Proportional to 245,797.02, 339,232.19 and 138,388.05

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Solution

The fourth proportional to 245,797.02, 339,232.19 and 138,388.05 is: 190,993.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,797.02 : 339,232.19 = 138,388.05 : x
  2. Step 2: Convert to fraction form
    245,797.02/339,232.19 = 138,388.05/x
  3. Step 3: Cross multiply
    245,797.02x = 339,232.19 × 138,388.05
  4. Step 4: Simplify right side
    245,797.02x = 46,945,680,579.39
  5. Step 5: Solve for x
    x = 46,945,680,579.39/245,797.02
  6. Step 6: Final answer
    x = 190,993.69

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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.