Finding the Fourth Proportional to 292,728.69, 439,240.59 and 115,362.99
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Solution
The fourth proportional to 292,728.69, 439,240.59 and 115,362.99 is: 173,102.64
Step by Step Solution
- Step 1: Write the proportion equation
292,728.69 : 439,240.59 = 115,362.99 : x - Step 2: Convert to fraction form
292,728.69/439,240.59 = 115,362.99/x - Step 3: Cross multiply
292,728.69x = 439,240.59 × 115,362.99 - Step 4: Simplify right side
292,728.69x = 50,672,107,791.76 - Step 5: Solve for x
x = 50,672,107,791.76/292,728.69 - Step 6: Final answer
x = 173,102.64
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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.