Finding the Fourth Proportional to 355,968.18, 491,138.80 and 202,950.59
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Solution
The fourth proportional to 355,968.18, 491,138.80 and 202,950.59 is: 280,016.34
Step by Step Solution
- Step 1: Write the proportion equation
355,968.18 : 491,138.80 = 202,950.59 : x - Step 2: Convert to fraction form
355,968.18/491,138.80 = 202,950.59/x - Step 3: Cross multiply
355,968.18x = 491,138.80 × 202,950.59 - Step 4: Simplify right side
355,968.18x = 99,676,906,268.82 - Step 5: Solve for x
x = 99,676,906,268.82/355,968.18 - Step 6: Final answer
x = 280,016.34
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1.5x scale
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.