Finding the Fourth Proportional to 243,257.62, 364,921.26 and 74,792.09
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Solution
The fourth proportional to 243,257.62, 364,921.26 and 74,792.09 is: 112,198.84
Step by Step Solution
- Step 1: Write the proportion equation
243,257.62 : 364,921.26 = 74,792.09 : x - Step 2: Convert to fraction form
243,257.62/364,921.26 = 74,792.09/x - Step 3: Cross multiply
243,257.62x = 364,921.26 × 74,792.09 - Step 4: Simplify right side
243,257.62x = 27,293,223,720.83 - Step 5: Solve for x
x = 27,293,223,720.83/243,257.62 - Step 6: Final answer
x = 112,198.84
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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.