Finding the Fourth Proportional to 393,706.18, 590,653.34 and 127,466.99
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Solution
The fourth proportional to 393,706.18, 590,653.34 and 127,466.99 is: 191,230.94
Step by Step Solution
- Step 1: Write the proportion equation
393,706.18 : 590,653.34 = 127,466.99 : x - Step 2: Convert to fraction form
393,706.18/590,653.34 = 127,466.99/x - Step 3: Cross multiply
393,706.18x = 590,653.34 × 127,466.99 - Step 4: Simplify right side
393,706.18x = 75,288,803,383.25 - Step 5: Solve for x
x = 75,288,803,383.25/393,706.18 - Step 6: Final answer
x = 191,230.94
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.