Finding the Fourth Proportional to 208,880.07, 288,261.36 and 118,234.08
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Solution
The fourth proportional to 208,880.07, 288,261.36 and 118,234.08 is: 163,166.92
Step by Step Solution
- Step 1: Write the proportion equation
208,880.07 : 288,261.36 = 118,234.08 : x - Step 2: Convert to fraction form
208,880.07/288,261.36 = 118,234.08/x - Step 3: Cross multiply
208,880.07x = 288,261.36 × 118,234.08 - Step 4: Simplify right side
208,880.07x = 34,082,316,699.15 - Step 5: Solve for x
x = 34,082,316,699.15/208,880.07 - Step 6: Final answer
x = 163,166.92
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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.