Finding the Fourth Proportional to 209,569.63, 289,194.36 and 114,070.63
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Solution
The fourth proportional to 209,569.63, 289,194.36 and 114,070.63 is: 157,411.08
Step by Step Solution
- Step 1: Write the proportion equation
209,569.63 : 289,194.36 = 114,070.63 : x - Step 2: Convert to fraction form
209,569.63/289,194.36 = 114,070.63/x - Step 3: Cross multiply
209,569.63x = 289,194.36 × 114,070.63 - Step 4: Simplify right side
209,569.63x = 32,988,582,837.65 - Step 5: Solve for x
x = 32,988,582,837.65/209,569.63 - Step 6: Final answer
x = 157,411.08
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1.5x scale
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.