Finding the Fourth Proportional to 157,524.15, 236,224.80 and 68,717.10
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Solution
The fourth proportional to 157,524.15, 236,224.80 and 68,717.10 is: 103,048.85
Step by Step Solution
- Step 1: Write the proportion equation
157,524.15 : 236,224.80 = 68,717.10 : x - Step 2: Convert to fraction form
157,524.15/236,224.80 = 68,717.10/x - Step 3: Cross multiply
157,524.15x = 236,224.80 × 68,717.10 - Step 4: Simplify right side
157,524.15x = 16,232,683,204.08 - Step 5: Solve for x
x = 16,232,683,204.08/157,524.15 - Step 6: Final answer
x = 103,048.85
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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.