Finding the Fourth Proportional to 192,899.97, 266,194.62 and 108,012.78
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Solution
The fourth proportional to 192,899.97, 266,194.62 and 108,012.78 is: 149,053.53
Step by Step Solution
- Step 1: Write the proportion equation
192,899.97 : 266,194.62 = 108,012.78 : x - Step 2: Convert to fraction form
192,899.97/266,194.62 = 108,012.78/x - Step 3: Cross multiply
192,899.97x = 266,194.62 × 108,012.78 - Step 4: Simplify right side
192,899.97x = 28,752,420,927.24 - Step 5: Solve for x
x = 28,752,420,927.24/192,899.97 - Step 6: Final answer
x = 149,053.53
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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.