Finding the Fourth Proportional to 292,354.44, 438,531.66 and 70,738.44
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Solution
The fourth proportional to 292,354.44, 438,531.66 and 70,738.44 is: 106,107.66
Step by Step Solution
- Step 1: Write the proportion equation
292,354.44 : 438,531.66 = 70,738.44 : x - Step 2: Convert to fraction form
292,354.44/438,531.66 = 70,738.44/x - Step 3: Cross multiply
292,354.44x = 438,531.66 × 70,738.44 - Step 4: Simplify right side
292,354.44x = 31,021,045,519.01 - Step 5: Solve for x
x = 31,021,045,519.01/292,354.44 - Step 6: Final answer
x = 106,107.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.