Finding the Fourth Proportional to 399,091.17, 598,735.17 and 118,608.42
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Solution
The fourth proportional to 399,091.17, 598,735.17 and 118,608.42 is: 177,941.88
Step by Step Solution
- Step 1: Write the proportion equation
399,091.17 : 598,735.17 = 118,608.42 : x - Step 2: Convert to fraction form
399,091.17/598,735.17 = 118,608.42/x - Step 3: Cross multiply
399,091.17x = 598,735.17 × 118,608.42 - Step 4: Simplify right side
399,091.17x = 71,015,032,512.13 - Step 5: Solve for x
x = 71,015,032,512.13/399,091.17 - Step 6: Final answer
x = 177,941.88
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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.