Finding the Fourth Proportional to 676,981.36, 934,213.86 and 371,051.08
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Solution
The fourth proportional to 676,981.36, 934,213.86 and 371,051.08 is: 512,039.30
Step by Step Solution
- Step 1: Write the proportion equation
676,981.36 : 934,213.86 = 371,051.08 : x - Step 2: Convert to fraction form
676,981.36/934,213.86 = 371,051.08/x - Step 3: Cross multiply
676,981.36x = 934,213.86 × 371,051.08 - Step 4: Simplify right side
676,981.36x = 346,641,061,703.97 - Step 5: Solve for x
x = 346,641,061,703.97/676,981.36 - Step 6: Final answer
x = 512,039.30
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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.