Finding the Fourth Proportional to 192,878.82, 266,148.81 and 107,982.18
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Solution
The fourth proportional to 192,878.82, 266,148.81 and 107,982.18 is: 149,001.99
Step by Step Solution
- Step 1: Write the proportion equation
192,878.82 : 266,148.81 = 107,982.18 : x - Step 2: Convert to fraction form
192,878.82/266,148.81 = 107,982.18/x - Step 3: Cross multiply
192,878.82x = 266,148.81 × 107,982.18 - Step 4: Simplify right side
192,878.82x = 28,739,328,708.21 - Step 5: Solve for x
x = 28,739,328,708.21/192,878.82 - Step 6: Final answer
x = 149,001.99
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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.