Finding the Fourth Proportional to 443,578.44, 612,138.12 and 242,374.44
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Solution
The fourth proportional to 443,578.44, 612,138.12 and 242,374.44 is: 334,476.66
Step by Step Solution
- Step 1: Write the proportion equation
443,578.44 : 612,138.12 = 242,374.44 : x - Step 2: Convert to fraction form
443,578.44/612,138.12 = 242,374.44/x - Step 3: Cross multiply
443,578.44x = 612,138.12 × 242,374.44 - Step 4: Simplify right side
443,578.44x = 148,366,634,037.65 - Step 5: Solve for x
x = 148,366,634,037.65/443,578.44 - Step 6: Final answer
x = 334,476.66
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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.