Finding the Fourth Proportional to 449,842.18, 674,873.97 and 316,981.93
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Solution
The fourth proportional to 449,842.18, 674,873.97 and 316,981.93 is: 475,550.90
Step by Step Solution
- Step 1: Write the proportion equation
449,842.18 : 674,873.97 = 316,981.93 : x - Step 2: Convert to fraction form
449,842.18/674,873.97 = 316,981.93/x - Step 3: Cross multiply
449,842.18x = 674,873.97 × 316,981.93 - Step 4: Simplify right side
449,842.18x = 213,922,853,517.36 - Step 5: Solve for x
x = 213,922,853,517.36/449,842.18 - Step 6: Final answer
x = 475,550.90
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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.