Finding the Fourth Proportional to 398,824.09, 598,349.17 and 162,336.49
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Solution
The fourth proportional to 398,824.09, 598,349.17 and 162,336.49 is: 243,550.74
Step by Step Solution
- Step 1: Write the proportion equation
398,824.09 : 598,349.17 = 162,336.49 : x - Step 2: Convert to fraction form
398,824.09/598,349.17 = 162,336.49/x - Step 3: Cross multiply
398,824.09x = 598,349.17 × 162,336.49 - Step 4: Simplify right side
398,824.09x = 97,133,904,052.21 - Step 5: Solve for x
x = 97,133,904,052.21/398,824.09 - Step 6: Final answer
x = 243,550.74
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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.