Finding the Fourth Proportional to 157,586.67, 217,470.24 and 85,968.19
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Solution
The fourth proportional to 157,586.67, 217,470.24 and 85,968.19 is: 118,636.45
Step by Step Solution
- Step 1: Write the proportion equation
157,586.67 : 217,470.24 = 85,968.19 : x - Step 2: Convert to fraction form
157,586.67/217,470.24 = 85,968.19/x - Step 3: Cross multiply
157,586.67x = 217,470.24 × 85,968.19 - Step 4: Simplify right side
157,586.67x = 18,695,522,911.67 - Step 5: Solve for x
x = 18,695,522,911.67/157,586.67 - Step 6: Final answer
x = 118,636.45
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1.5x scale
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.