Finding the Fourth Proportional to 263,117.95, 394,701.84 and 73,578.31
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Solution
The fourth proportional to 263,117.95, 394,701.84 and 73,578.31 is: 110,374.43
Step by Step Solution
- Step 1: Write the proportion equation
263,117.95 : 394,701.84 = 73,578.31 : x - Step 2: Convert to fraction form
263,117.95/394,701.84 = 73,578.31/x - Step 3: Cross multiply
263,117.95x = 394,701.84 × 73,578.31 - Step 4: Simplify right side
263,117.95x = 29,041,494,341.09 - Step 5: Solve for x
x = 29,041,494,341.09/263,117.95 - Step 6: Final answer
x = 110,374.43
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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.