Home / 259,115.01-388,724.75-109,355.46

Finding the Fourth Proportional to 259,115.01, 388,724.75 and 109,355.46

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Solution

The fourth proportional to 259,115.01, 388,724.75 and 109,355.46 is: 164,055.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,115.01 : 388,724.75 = 109,355.46 : x
  2. Step 2: Convert to fraction form
    259,115.01/388,724.75 = 109,355.46/x
  3. Step 3: Cross multiply
    259,115.01x = 388,724.75 × 109,355.46
  4. Step 4: Simplify right side
    259,115.01x = 42,509,173,849.64
  5. Step 5: Solve for x
    x = 42,509,173,849.64/259,115.01
  6. Step 6: Final answer
    x = 164,055.23

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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.