Finding the Fourth Proportional to 157,573.13, 236,361.75 and 52,392.09
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Solution
The fourth proportional to 157,573.13, 236,361.75 and 52,392.09 is: 78,588.83
Step by Step Solution
- Step 1: Write the proportion equation
157,573.13 : 236,361.75 = 52,392.09 : x - Step 2: Convert to fraction form
157,573.13/236,361.75 = 52,392.09/x - Step 3: Cross multiply
157,573.13x = 236,361.75 × 52,392.09 - Step 4: Simplify right side
157,573.13x = 12,383,486,768.44 - Step 5: Solve for x
x = 12,383,486,768.44/157,573.13 - Step 6: Final answer
x = 78,588.83
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.