Finding the Fourth Proportional to 114,361.91, 157,622.40 and 76,052.99
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Solution
The fourth proportional to 114,361.91, 157,622.40 and 76,052.99 is: 104,822.09
Step by Step Solution
- Step 1: Write the proportion equation
114,361.91 : 157,622.40 = 76,052.99 : x - Step 2: Convert to fraction form
114,361.91/157,622.40 = 76,052.99/x - Step 3: Cross multiply
114,361.91x = 157,622.40 × 76,052.99 - Step 4: Simplify right side
114,361.91x = 11,987,654,810.98 - Step 5: Solve for x
x = 11,987,654,810.98/114,361.91 - Step 6: Final answer
x = 104,822.09
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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.