Finding the Fourth Proportional to 416,837.20, 574,917.99 and 358,792.72
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Solution
The fourth proportional to 416,837.20, 574,917.99 and 358,792.72 is: 494,860.80
Step by Step Solution
- Step 1: Write the proportion equation
416,837.20 : 574,917.99 = 358,792.72 : x - Step 2: Convert to fraction form
416,837.20/574,917.99 = 358,792.72/x - Step 3: Cross multiply
416,837.20x = 574,917.99 × 358,792.72 - Step 4: Simplify right side
416,837.20x = 206,276,389,409.03 - Step 5: Solve for x
x = 206,276,389,409.03/416,837.20 - Step 6: Final answer
x = 494,860.80
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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.