Finding the Fourth Proportional to 336,321.99, 463,861.80 and 215,474.49
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Solution
The fourth proportional to 336,321.99, 463,861.80 and 215,474.49 is: 297,186.59
Step by Step Solution
- Step 1: Write the proportion equation
336,321.99 : 463,861.80 = 215,474.49 : x - Step 2: Convert to fraction form
336,321.99/463,861.80 = 215,474.49/x - Step 3: Cross multiply
336,321.99x = 463,861.80 × 215,474.49 - Step 4: Simplify right side
336,321.99x = 99,950,384,785.48 - Step 5: Solve for x
x = 99,950,384,785.48/336,321.99 - Step 6: Final answer
x = 297,186.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.