Finding the Fourth Proportional to 199,585.18, 275,435.67 and 108,947.26
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Solution
The fourth proportional to 199,585.18, 275,435.67 and 108,947.26 is: 150,351.65
Step by Step Solution
- Step 1: Write the proportion equation
199,585.18 : 275,435.67 = 108,947.26 : x - Step 2: Convert to fraction form
199,585.18/275,435.67 = 108,947.26/x - Step 3: Cross multiply
199,585.18x = 275,435.67 × 108,947.26 - Step 4: Simplify right side
199,585.18x = 30,007,961,552.76 - Step 5: Solve for x
x = 30,007,961,552.76/199,585.18 - Step 6: Final answer
x = 150,351.65
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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.