Finding the Fourth Proportional to 157,874.25, 236,928.26 and 74,768.49
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Solution
The fourth proportional to 157,874.25, 236,928.26 and 74,768.49 is: 112,208.09
Step by Step Solution
- Step 1: Write the proportion equation
157,874.25 : 236,928.26 = 74,768.49 : x - Step 2: Convert to fraction form
157,874.25/236,928.26 = 74,768.49/x - Step 3: Cross multiply
157,874.25x = 236,928.26 × 74,768.49 - Step 4: Simplify right side
157,874.25x = 17,714,767,864.69 - Step 5: Solve for x
x = 17,714,767,864.69/157,874.25 - Step 6: Final answer
x = 112,208.09
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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.