Finding the Fourth Proportional to 316,360.44, 436,577.42 and 173,120.49
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Solution
The fourth proportional to 316,360.44, 436,577.42 and 173,120.49 is: 238,906.28
Step by Step Solution
- Step 1: Write the proportion equation
316,360.44 : 436,577.42 = 173,120.49 : x - Step 2: Convert to fraction form
316,360.44/436,577.42 = 173,120.49/x - Step 3: Cross multiply
316,360.44x = 436,577.42 × 173,120.49 - Step 4: Simplify right side
316,360.44x = 75,580,496,873.34 - Step 5: Solve for x
x = 75,580,496,873.34/316,360.44 - Step 6: Final answer
x = 238,906.28
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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.