Finding the Fourth Proportional to 209,245.48, 288,735.03 and 118,582.03
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Solution
The fourth proportional to 209,245.48, 288,735.03 and 118,582.03 is: 163,629.75
Step by Step Solution
- Step 1: Write the proportion equation
209,245.48 : 288,735.03 = 118,582.03 : x - Step 2: Convert to fraction form
209,245.48/288,735.03 = 118,582.03/x - Step 3: Cross multiply
209,245.48x = 288,735.03 × 118,582.03 - Step 4: Simplify right side
209,245.48x = 34,238,784,726.30 - Step 5: Solve for x
x = 34,238,784,726.30/209,245.48 - Step 6: Final answer
x = 163,629.75
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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.