Finding the Fourth Proportional to 157,247.62, 217,001.73 and 85,627.62
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Solution
The fourth proportional to 157,247.62, 217,001.73 and 85,627.62 is: 118,166.12
Step by Step Solution
- Step 1: Write the proportion equation
157,247.62 : 217,001.73 = 85,627.62 : x - Step 2: Convert to fraction form
157,247.62/217,001.73 = 85,627.62/x - Step 3: Cross multiply
157,247.62x = 217,001.73 × 85,627.62 - Step 4: Simplify right side
157,247.62x = 18,581,341,675.78 - Step 5: Solve for x
x = 18,581,341,675.78/157,247.62 - Step 6: Final answer
x = 118,166.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.