Finding the Fourth Proportional to 659,916.09, 910,684.26 and 358,110.09
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Solution
The fourth proportional to 659,916.09, 910,684.26 and 358,110.09 is: 494,191.95
Step by Step Solution
- Step 1: Write the proportion equation
659,916.09 : 910,684.26 = 358,110.09 : x - Step 2: Convert to fraction form
659,916.09/910,684.26 = 358,110.09/x - Step 3: Cross multiply
659,916.09x = 910,684.26 × 358,110.09 - Step 4: Simplify right side
659,916.09x = 326,125,222,310.18 - Step 5: Solve for x
x = 326,125,222,310.18/659,916.09 - Step 6: Final answer
x = 494,191.95
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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.