Finding the Fourth Proportional to 354,913.97, 489,782.39 and 227,590.07
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Solution
The fourth proportional to 354,913.97, 489,782.39 and 227,590.07 is: 314,075.00
Step by Step Solution
- Step 1: Write the proportion equation
354,913.97 : 489,782.39 = 227,590.07 : x - Step 2: Convert to fraction form
354,913.97/489,782.39 = 227,590.07/x - Step 3: Cross multiply
354,913.97x = 489,782.39 × 227,590.07 - Step 4: Simplify right side
354,913.97x = 111,469,604,838.01 - Step 5: Solve for x
x = 111,469,604,838.01/354,913.97 - Step 6: Final answer
x = 314,075.00
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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.