Finding the Fourth Proportional to 325,640.71, 488,627.12 and 157,304.59
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Solution
The fourth proportional to 325,640.71, 488,627.12 and 157,304.59 is: 236,037.09
Step by Step Solution
- Step 1: Write the proportion equation
325,640.71 : 488,627.12 = 157,304.59 : x - Step 2: Convert to fraction form
325,640.71/488,627.12 = 157,304.59/x - Step 3: Cross multiply
325,640.71x = 488,627.12 × 157,304.59 - Step 4: Simplify right side
325,640.71x = 76,863,285,544.82 - Step 5: Solve for x
x = 76,863,285,544.82/325,640.71 - Step 6: Final answer
x = 236,037.09
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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.