Finding the Fourth Proportional to 421,194.19, 631,148.39 and 250,078.94
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Solution
The fourth proportional to 421,194.19, 631,148.39 and 250,078.94 is: 374,736.70
Step by Step Solution
- Step 1: Write the proportion equation
421,194.19 : 631,148.39 = 250,078.94 : x - Step 2: Convert to fraction form
421,194.19/631,148.39 = 250,078.94/x - Step 3: Cross multiply
421,194.19x = 631,148.39 × 250,078.94 - Step 4: Simplify right side
421,194.19x = 157,836,920,904.67 - Step 5: Solve for x
x = 157,836,920,904.67/421,194.19 - Step 6: Final answer
x = 374,736.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.