Finding the Fourth Proportional to 354,302.24, 489,073.60 and 259,561.44
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Solution
The fourth proportional to 354,302.24, 489,073.60 and 259,561.44 is: 358,294.79
Step by Step Solution
- Step 1: Write the proportion equation
354,302.24 : 489,073.60 = 259,561.44 : x - Step 2: Convert to fraction form
354,302.24/489,073.60 = 259,561.44/x - Step 3: Cross multiply
354,302.24x = 489,073.60 × 259,561.44 - Step 4: Simplify right side
354,302.24x = 126,944,647,881.98 - Step 5: Solve for x
x = 126,944,647,881.98/354,302.24 - Step 6: Final answer
x = 358,294.79
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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.