Finding the Fourth Proportional to 316,302.44, 436,493.48 and 173,060.44
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Solution
The fourth proportional to 316,302.44, 436,493.48 and 173,060.44 is: 238,821.28
Step by Step Solution
- Step 1: Write the proportion equation
316,302.44 : 436,493.48 = 173,060.44 : x - Step 2: Convert to fraction form
316,302.44/436,493.48 = 173,060.44/x - Step 3: Cross multiply
316,302.44x = 436,493.48 × 173,060.44 - Step 4: Simplify right side
316,302.44x = 75,539,753,705.93 - Step 5: Solve for x
x = 75,539,753,705.93/316,302.44 - Step 6: Final answer
x = 238,821.28
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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.