Finding the Fourth Proportional to 325,719.70, 488,579.55 and 246,987.70
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Solution
The fourth proportional to 325,719.70, 488,579.55 and 246,987.70 is: 370,481.55
Step by Step Solution
- Step 1: Write the proportion equation
325,719.70 : 488,579.55 = 246,987.70 : x - Step 2: Convert to fraction form
325,719.70/488,579.55 = 246,987.70/x - Step 3: Cross multiply
325,719.70x = 488,579.55 × 246,987.70 - Step 4: Simplify right side
325,719.70x = 120,673,139,321.54 - Step 5: Solve for x
x = 120,673,139,321.54/325,719.70 - Step 6: Final answer
x = 370,481.55
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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.