Finding the Fourth Proportional to 319,711.88, 441,213.12 and 174,526.28
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Solution
The fourth proportional to 319,711.88, 441,213.12 and 174,526.28 is: 240,852.12
Step by Step Solution
- Step 1: Write the proportion equation
319,711.88 : 441,213.12 = 174,526.28 : x - Step 2: Convert to fraction form
319,711.88/441,213.12 = 174,526.28/x - Step 3: Cross multiply
319,711.88x = 441,213.12 × 174,526.28 - Step 4: Simplify right side
319,711.88x = 77,003,284,520.79 - Step 5: Solve for x
x = 77,003,284,520.79/319,711.88 - Step 6: Final answer
x = 240,852.12
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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.