Finding the Fourth Proportional to 186,161.04, 256,902.84 and 101,278.08
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Solution
The fourth proportional to 186,161.04, 256,902.84 and 101,278.08 is: 139,764.08
Step by Step Solution
- Step 1: Write the proportion equation
186,161.04 : 256,902.84 = 101,278.08 : x - Step 2: Convert to fraction form
186,161.04/256,902.84 = 101,278.08/x - Step 3: Cross multiply
186,161.04x = 256,902.84 × 101,278.08 - Step 4: Simplify right side
186,161.04x = 26,018,626,381.75 - Step 5: Solve for x
x = 26,018,626,381.75/186,161.04 - Step 6: Final answer
x = 139,764.08
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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.