Finding the Fourth Proportional to 209,461.14, 289,007.19 and 118,796.63
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Solution
The fourth proportional to 209,461.14, 289,007.19 and 118,796.63 is: 163,911.45
Step by Step Solution
- Step 1: Write the proportion equation
209,461.14 : 289,007.19 = 118,796.63 : x - Step 2: Convert to fraction form
209,461.14/289,007.19 = 118,796.63/x - Step 3: Cross multiply
209,461.14x = 289,007.19 × 118,796.63 - Step 4: Simplify right side
209,461.14x = 34,333,078,772.73 - Step 5: Solve for x
x = 34,333,078,772.73/209,461.14 - Step 6: Final answer
x = 163,911.45
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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.