Finding the Fourth Proportional to 207,188.05, 285,916.61 and 116,544.02
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Solution
The fourth proportional to 207,188.05, 285,916.61 and 116,544.02 is: 160,829.12
Step by Step Solution
- Step 1: Write the proportion equation
207,188.05 : 285,916.61 = 116,544.02 : x - Step 2: Convert to fraction form
207,188.05/285,916.61 = 116,544.02/x - Step 3: Cross multiply
207,188.05x = 285,916.61 × 116,544.02 - Step 4: Simplify right side
207,188.05x = 33,321,871,114.17 - Step 5: Solve for x
x = 33,321,871,114.17/207,188.05 - Step 6: Final answer
x = 160,829.12
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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.