Finding the Fourth Proportional to 199,585.09, 275,429.99 and 108,943.66
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Solution
The fourth proportional to 199,585.09, 275,429.99 and 108,943.66 is: 150,343.65
Step by Step Solution
- Step 1: Write the proportion equation
199,585.09 : 275,429.99 = 108,943.66 : x - Step 2: Convert to fraction form
199,585.09/275,429.99 = 108,943.66/x - Step 3: Cross multiply
199,585.09x = 275,429.99 × 108,943.66 - Step 4: Simplify right side
199,585.09x = 30,006,350,768.15 - Step 5: Solve for x
x = 30,006,350,768.15/199,585.09 - Step 6: Final answer
x = 150,343.65
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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.