Finding the Fourth Proportional to 495,755.84, 684,149.28 and 269,405.12
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Solution
The fourth proportional to 495,755.84, 684,149.28 and 269,405.12 is: 371,782.45
Step by Step Solution
- Step 1: Write the proportion equation
495,755.84 : 684,149.28 = 269,405.12 : x - Step 2: Convert to fraction form
495,755.84/684,149.28 = 269,405.12/x - Step 3: Cross multiply
495,755.84x = 684,149.28 × 269,405.12 - Step 4: Simplify right side
495,755.84x = 184,313,318,876.31 - Step 5: Solve for x
x = 184,313,318,876.31/495,755.84 - Step 6: Final answer
x = 371,782.45
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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.