Finding the Fourth Proportional to 353,241.25, 487,485.75 and 202,367.41
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Solution
The fourth proportional to 353,241.25, 487,485.75 and 202,367.41 is: 279,274.37
Step by Step Solution
- Step 1: Write the proportion equation
353,241.25 : 487,485.75 = 202,367.41 : x - Step 2: Convert to fraction form
353,241.25/487,485.75 = 202,367.41/x - Step 3: Cross multiply
353,241.25x = 487,485.75 × 202,367.41 - Step 4: Simplify right side
353,241.25x = 98,651,228,639.41 - Step 5: Solve for x
x = 98,651,228,639.41/353,241.25 - Step 6: Final answer
x = 279,274.37
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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.