Finding the Fourth Proportional to 209,927.06, 289,684.87 and 118,060.08
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Solution
The fourth proportional to 209,927.06, 289,684.87 and 118,060.08 is: 162,914.77
Step by Step Solution
- Step 1: Write the proportion equation
209,927.06 : 289,684.87 = 118,060.08 : x - Step 2: Convert to fraction form
209,927.06/289,684.87 = 118,060.08/x - Step 3: Cross multiply
209,927.06x = 289,684.87 × 118,060.08 - Step 4: Simplify right side
209,927.06x = 34,200,218,926.99 - Step 5: Solve for x
x = 34,200,218,926.99/209,927.06 - Step 6: Final answer
x = 162,914.77
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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.