Finding the Fourth Proportional to 659,916.17, 910,684.29 and 358,110.17
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Solution
The fourth proportional to 659,916.17, 910,684.29 and 358,110.17 is: 494,192.02
Step by Step Solution
- Step 1: Write the proportion equation
659,916.17 : 910,684.29 = 358,110.17 : x - Step 2: Convert to fraction form
659,916.17/910,684.29 = 358,110.17/x - Step 3: Cross multiply
659,916.17x = 910,684.29 × 358,110.17 - Step 4: Simplify right side
659,916.17x = 326,125,301,354.81 - Step 5: Solve for x
x = 326,125,301,354.81/659,916.17 - Step 6: Final answer
x = 494,192.02
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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.