Finding the Fourth Proportional to 301,832.05, 416,354.78 and 188,457.97
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Solution
The fourth proportional to 301,832.05, 416,354.78 and 188,457.97 is: 259,963.70
Step by Step Solution
- Step 1: Write the proportion equation
301,832.05 : 416,354.78 = 188,457.97 : x - Step 2: Convert to fraction form
301,832.05/416,354.78 = 188,457.97/x - Step 3: Cross multiply
301,832.05x = 416,354.78 × 188,457.97 - Step 4: Simplify right side
301,832.05x = 78,465,376,638.60 - Step 5: Solve for x
x = 78,465,376,638.60/301,832.05 - Step 6: Final answer
x = 259,963.70
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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.