Finding the Fourth Proportional to 187,764.78, 259,125.78 and 107,218.19
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Solution
The fourth proportional to 187,764.78, 259,125.78 and 107,218.19 is: 147,967.02
Step by Step Solution
- Step 1: Write the proportion equation
187,764.78 : 259,125.78 = 107,218.19 : x - Step 2: Convert to fraction form
187,764.78/259,125.78 = 107,218.19/x - Step 3: Cross multiply
187,764.78x = 259,125.78 × 107,218.19 - Step 4: Simplify right side
187,764.78x = 27,782,995,818.31 - Step 5: Solve for x
x = 27,782,995,818.31/187,764.78 - Step 6: Final answer
x = 147,967.02
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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.