Finding the Fourth Proportional to 436,369.14, 601,847.78 and 298,629.63
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Solution
The fourth proportional to 436,369.14, 601,847.78 and 298,629.63 is: 411,875.09
Step by Step Solution
- Step 1: Write the proportion equation
436,369.14 : 601,847.78 = 298,629.63 : x - Step 2: Convert to fraction form
436,369.14/601,847.78 = 298,629.63/x - Step 3: Cross multiply
436,369.14x = 601,847.78 × 298,629.63 - Step 4: Simplify right side
436,369.14x = 179,729,578,364.57 - Step 5: Solve for x
x = 179,729,578,364.57/436,369.14 - Step 6: Final answer
x = 411,875.09
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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.