Home / 240,454.36-360,678.30-115,416.28

Finding the Fourth Proportional to 240,454.36, 360,678.30 and 115,416.28

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Solution

The fourth proportional to 240,454.36, 360,678.30 and 115,416.28 is: 173,122.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,454.36 : 360,678.30 = 115,416.28 : x
  2. Step 2: Convert to fraction form
    240,454.36/360,678.30 = 115,416.28/x
  3. Step 3: Cross multiply
    240,454.36x = 360,678.30 × 115,416.28
  4. Step 4: Simplify right side
    240,454.36x = 41,628,147,662.72
  5. Step 5: Solve for x
    x = 41,628,147,662.72/240,454.36
  6. Step 6: Final answer
    x = 173,122.86

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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.