Finding the Fourth Proportional to 505,880.20, 698,116.49 and 276,437.49
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Solution
The fourth proportional to 505,880.20, 698,116.49 and 276,437.49 is: 381,484.72
Step by Step Solution
- Step 1: Write the proportion equation
505,880.20 : 698,116.49 = 276,437.49 : x - Step 2: Convert to fraction form
505,880.20/698,116.49 = 276,437.49/x - Step 3: Cross multiply
505,880.20x = 698,116.49 × 276,437.49 - Step 4: Simplify right side
505,880.20x = 192,985,569,169.01 - Step 5: Solve for x
x = 192,985,569,169.01/505,880.20 - Step 6: Final answer
x = 381,484.72
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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.