Finding the Fourth Proportional to 209,929.06, 289,687.62 and 118,062.08
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Solution
The fourth proportional to 209,929.06, 289,687.62 and 118,062.08 is: 162,917.53
Step by Step Solution
- Step 1: Write the proportion equation
209,929.06 : 289,687.62 = 118,062.08 : x - Step 2: Convert to fraction form
209,929.06/289,687.62 = 118,062.08/x - Step 3: Cross multiply
209,929.06x = 289,687.62 × 118,062.08 - Step 4: Simplify right side
209,929.06x = 34,201,122,967.45 - Step 5: Solve for x
x = 34,201,122,967.45/209,929.06 - Step 6: Final answer
x = 162,917.53
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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.