Finding the Fourth Proportional to 343,577.88, 515,366.79 and 201,639.15
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Solution
The fourth proportional to 343,577.88, 515,366.79 and 201,639.15 is: 302,458.71
Step by Step Solution
- Step 1: Write the proportion equation
343,577.88 : 515,366.79 = 201,639.15 : x - Step 2: Convert to fraction form
343,577.88/515,366.79 = 201,639.15/x - Step 3: Cross multiply
343,577.88x = 515,366.79 × 201,639.15 - Step 4: Simplify right side
343,577.88x = 103,918,121,473.83 - Step 5: Solve for x
x = 103,918,121,473.83/343,577.88 - Step 6: Final answer
x = 302,458.71
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.