Finding the Fourth Proportional to 301,530.11, 416,132.82 and 199,378.07
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Solution
The fourth proportional to 301,530.11, 416,132.82 and 199,378.07 is: 275,155.80
Step by Step Solution
- Step 1: Write the proportion equation
301,530.11 : 416,132.82 = 199,378.07 : x - Step 2: Convert to fraction form
301,530.11/416,132.82 = 199,378.07/x - Step 3: Cross multiply
301,530.11x = 416,132.82 × 199,378.07 - Step 4: Simplify right side
301,530.11x = 82,967,759,555.59 - Step 5: Solve for x
x = 82,967,759,555.59/301,530.11 - Step 6: Final answer
x = 275,155.80
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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.