Finding the Fourth Proportional to 398,400.80, 597,586.80 and 161,736.80
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Solution
The fourth proportional to 398,400.80, 597,586.80 and 161,736.80 is: 242,599.35
Step by Step Solution
- Step 1: Write the proportion equation
398,400.80 : 597,586.80 = 161,736.80 : x - Step 2: Convert to fraction form
398,400.80/597,586.80 = 161,736.80/x - Step 3: Cross multiply
398,400.80x = 597,586.80 × 161,736.80 - Step 4: Simplify right side
398,400.80x = 96,651,776,754.24 - Step 5: Solve for x
x = 96,651,776,754.24/398,400.80 - Step 6: Final answer
x = 242,599.35
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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.