Finding the Fourth Proportional to 208,796.24, 288,153.16 and 118,152.08
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Solution
The fourth proportional to 208,796.24, 288,153.16 and 118,152.08 is: 163,057.99
Step by Step Solution
- Step 1: Write the proportion equation
208,796.24 : 288,153.16 = 118,152.08 : x - Step 2: Convert to fraction form
208,796.24/288,153.16 = 118,152.08/x - Step 3: Cross multiply
208,796.24x = 288,153.16 × 118,152.08 - Step 4: Simplify right side
208,796.24x = 34,045,895,212.57 - Step 5: Solve for x
x = 34,045,895,212.57/208,796.24 - Step 6: Final answer
x = 163,057.99
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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.