Finding the Fourth Proportional to 495,879.84, 684,299.88 and 281,040.12
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Solution
The fourth proportional to 495,879.84, 684,299.88 and 281,040.12 is: 387,827.26
Step by Step Solution
- Step 1: Write the proportion equation
495,879.84 : 684,299.88 = 281,040.12 : x - Step 2: Convert to fraction form
495,879.84/684,299.88 = 281,040.12/x - Step 3: Cross multiply
495,879.84x = 684,299.88 × 281,040.12 - Step 4: Simplify right side
495,879.84x = 192,315,720,391.19 - Step 5: Solve for x
x = 192,315,720,391.19/495,879.84 - Step 6: Final answer
x = 387,827.26
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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.