Finding the Fourth Proportional to 146,781.14, 202,559.01 and 79,713.14
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Solution
The fourth proportional to 146,781.14, 202,559.01 and 79,713.14 is: 110,004.70
Step by Step Solution
- Step 1: Write the proportion equation
146,781.14 : 202,559.01 = 79,713.14 : x - Step 2: Convert to fraction form
146,781.14/202,559.01 = 79,713.14/x - Step 3: Cross multiply
146,781.14x = 202,559.01 × 79,713.14 - Step 4: Simplify right side
146,781.14x = 16,146,614,722.39 - Step 5: Solve for x
x = 16,146,614,722.39/146,781.14 - Step 6: Final answer
x = 110,004.70
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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.