Finding the Fourth Proportional to 151,463.08, 209,028.18 and 83,479.96
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Solution
The fourth proportional to 151,463.08, 209,028.18 and 83,479.96 is: 115,207.38
Step by Step Solution
- Step 1: Write the proportion equation
151,463.08 : 209,028.18 = 83,479.96 : x - Step 2: Convert to fraction form
151,463.08/209,028.18 = 83,479.96/x - Step 3: Cross multiply
151,463.08x = 209,028.18 × 83,479.96 - Step 4: Simplify right side
151,463.08x = 17,449,664,105.27 - Step 5: Solve for x
x = 17,449,664,105.27/151,463.08 - Step 6: Final answer
x = 115,207.38
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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.