Finding the Fourth Proportional to 291,713.94, 437,571.36 and 192,318.12
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Solution
The fourth proportional to 291,713.94, 437,571.36 and 192,318.12 is: 288,477.48
Step by Step Solution
- Step 1: Write the proportion equation
291,713.94 : 437,571.36 = 192,318.12 : x - Step 2: Convert to fraction form
291,713.94/437,571.36 = 192,318.12/x - Step 3: Cross multiply
291,713.94x = 437,571.36 × 192,318.12 - Step 4: Simplify right side
291,713.94x = 84,152,901,321.04 - Step 5: Solve for x
x = 84,152,901,321.04/291,713.94 - Step 6: Final answer
x = 288,477.48
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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.