Finding the Fourth Proportional to 319,716.99, 441,224.10 and 183,794.94
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Solution
The fourth proportional to 319,716.99, 441,224.10 and 183,794.94 is: 253,645.44
Step by Step Solution
- Step 1: Write the proportion equation
319,716.99 : 441,224.10 = 183,794.94 : x - Step 2: Convert to fraction form
319,716.99/441,224.10 = 183,794.94/x - Step 3: Cross multiply
319,716.99x = 441,224.10 × 183,794.94 - Step 4: Simplify right side
319,716.99x = 81,094,756,986.05 - Step 5: Solve for x
x = 81,094,756,986.05/319,716.99 - Step 6: Final answer
x = 253,645.44
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1.5x scale
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.