Finding the Fourth Proportional to 495,712.49, 684,087.57 and 269,357.99
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Solution
The fourth proportional to 495,712.49, 684,087.57 and 269,357.99 is: 371,716.38
Step by Step Solution
- Step 1: Write the proportion equation
495,712.49 : 684,087.57 = 269,357.99 : x - Step 2: Convert to fraction form
495,712.49/684,087.57 = 269,357.99/x - Step 3: Cross multiply
495,712.49x = 684,087.57 × 269,357.99 - Step 4: Simplify right side
495,712.49x = 184,264,451,492.39 - Step 5: Solve for x
x = 184,264,451,492.39/495,712.49 - Step 6: Final answer
x = 371,716.38
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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.