Finding the Fourth Proportional to 394,329.80, 590,717.10 and 236,088.20
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Solution
The fourth proportional to 394,329.80, 590,717.10 and 236,088.20 is: 353,666.75
Step by Step Solution
- Step 1: Write the proportion equation
394,329.80 : 590,717.10 = 236,088.20 : x - Step 2: Convert to fraction form
394,329.80/590,717.10 = 236,088.20/x - Step 3: Cross multiply
394,329.80x = 590,717.10 × 236,088.20 - Step 4: Simplify right side
394,329.80x = 139,461,336,848.22 - Step 5: Solve for x
x = 139,461,336,848.22/394,329.80 - Step 6: Final answer
x = 353,666.75
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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.