Finding the Fourth Proportional to 316,043.94, 436,286.94 and 186,941.70
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Solution
The fourth proportional to 316,043.94, 436,286.94 and 186,941.70 is: 258,066.08
Step by Step Solution
- Step 1: Write the proportion equation
316,043.94 : 436,286.94 = 186,941.70 : x - Step 2: Convert to fraction form
316,043.94/436,286.94 = 186,941.70/x - Step 3: Cross multiply
316,043.94x = 436,286.94 × 186,941.70 - Step 4: Simplify right side
316,043.94x = 81,560,222,251.40 - Step 5: Solve for x
x = 81,560,222,251.40/316,043.94 - Step 6: Final answer
x = 258,066.08
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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.