Finding the Fourth Proportional to 178,974.63, 268,463.56 and 54,315.63
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Solution
The fourth proportional to 178,974.63, 268,463.56 and 54,315.63 is: 81,473.94
Step by Step Solution
- Step 1: Write the proportion equation
178,974.63 : 268,463.56 = 54,315.63 : x - Step 2: Convert to fraction form
178,974.63/268,463.56 = 54,315.63/x - Step 3: Cross multiply
178,974.63x = 268,463.56 × 54,315.63 - Step 4: Simplify right side
178,974.63x = 14,581,767,393.44 - Step 5: Solve for x
x = 14,581,767,393.44/178,974.63 - Step 6: Final answer
x = 81,473.94
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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.