Finding the Fourth Proportional to 190,666.98, 263,115.42 and 104,625.70
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Solution
The fourth proportional to 190,666.98, 263,115.42 and 104,625.70 is: 144,380.72
Step by Step Solution
- Step 1: Write the proportion equation
190,666.98 : 263,115.42 = 104,625.70 : x - Step 2: Convert to fraction form
190,666.98/263,115.42 = 104,625.70/x - Step 3: Cross multiply
190,666.98x = 263,115.42 × 104,625.70 - Step 4: Simplify right side
190,666.98x = 27,528,634,998.29 - Step 5: Solve for x
x = 27,528,634,998.29/190,666.98 - Step 6: Final answer
x = 144,380.72
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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.