Finding the Fourth Proportional to 316,984.69, 437,449.71 and 173,744.70
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Solution
The fourth proportional to 316,984.69, 437,449.71 and 173,744.70 is: 239,773.63
Step by Step Solution
- Step 1: Write the proportion equation
316,984.69 : 437,449.71 = 173,744.70 : x - Step 2: Convert to fraction form
316,984.69/437,449.71 = 173,744.70/x - Step 3: Cross multiply
316,984.69x = 437,449.71 × 173,744.70 - Step 4: Simplify right side
316,984.69x = 76,004,568,629.04 - Step 5: Solve for x
x = 76,004,568,629.04/316,984.69 - Step 6: Final answer
x = 239,773.63
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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.