Finding the Fourth Proportional to 207,592.23, 286,418.01 and 116,916.48
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Solution
The fourth proportional to 207,592.23, 286,418.01 and 116,916.48 is: 161,311.35
Step by Step Solution
- Step 1: Write the proportion equation
207,592.23 : 286,418.01 = 116,916.48 : x - Step 2: Convert to fraction form
207,592.23/286,418.01 = 116,916.48/x - Step 3: Cross multiply
207,592.23x = 286,418.01 × 116,916.48 - Step 4: Simplify right side
207,592.23x = 33,486,983,521.13 - Step 5: Solve for x
x = 33,486,983,521.13/207,592.23 - Step 6: Final answer
x = 161,311.35
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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.