Finding the Fourth Proportional to 316,293.28, 436,441.62 and 188,941.84
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Solution
The fourth proportional to 316,293.28, 436,441.62 and 188,941.84 is: 260,713.99
Step by Step Solution
- Step 1: Write the proportion equation
316,293.28 : 436,441.62 = 188,941.84 : x - Step 2: Convert to fraction form
316,293.28/436,441.62 = 188,941.84/x - Step 3: Cross multiply
316,293.28x = 436,441.62 × 188,941.84 - Step 4: Simplify right side
316,293.28x = 82,462,082,735.38 - Step 5: Solve for x
x = 82,462,082,735.38/316,293.28 - Step 6: Final answer
x = 260,713.99
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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.