Finding the Fourth Proportional to 393,006.08, 589,623.94 and 126,760.70
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Solution
The fourth proportional to 393,006.08, 589,623.94 and 126,760.70 is: 190,178.08
Step by Step Solution
- Step 1: Write the proportion equation
393,006.08 : 589,623.94 = 126,760.70 : x - Step 2: Convert to fraction form
393,006.08/589,623.94 = 126,760.70/x - Step 3: Cross multiply
393,006.08x = 589,623.94 × 126,760.70 - Step 4: Simplify right side
393,006.08x = 74,741,143,371.16 - Step 5: Solve for x
x = 74,741,143,371.16/393,006.08 - Step 6: Final answer
x = 190,178.08
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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.