Finding the Fourth Proportional to 316,672.74, 436,996.62 and 173,433.96
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Solution
The fourth proportional to 316,672.74, 436,996.62 and 173,433.96 is: 239,332.42
Step by Step Solution
- Step 1: Write the proportion equation
316,672.74 : 436,996.62 = 173,433.96 : x - Step 2: Convert to fraction form
316,672.74/436,996.62 = 173,433.96/x - Step 3: Cross multiply
316,672.74x = 436,996.62 × 173,433.96 - Step 4: Simplify right side
316,672.74x = 75,790,054,313.22 - Step 5: Solve for x
x = 75,790,054,313.22/316,672.74 - Step 6: Final answer
x = 239,332.42
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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.