Finding the Fourth Proportional to 398,313.81, 596,891.16 and 246,186.09
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Solution
The fourth proportional to 398,313.81, 596,891.16 and 246,186.09 is: 368,920.93
Step by Step Solution
- Step 1: Write the proportion equation
398,313.81 : 596,891.16 = 246,186.09 : x - Step 2: Convert to fraction form
398,313.81/596,891.16 = 246,186.09/x - Step 3: Cross multiply
398,313.81x = 596,891.16 × 246,186.09 - Step 4: Simplify right side
398,313.81x = 146,946,300,835.96 - Step 5: Solve for x
x = 146,946,300,835.96/398,313.81 - Step 6: Final answer
x = 368,920.93
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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.