Finding the Fourth Proportional to 157,571.96, 236,400.06 and 68,832.68
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Solution
The fourth proportional to 157,571.96, 236,400.06 and 68,832.68 is: 103,267.42
Step by Step Solution
- Step 1: Write the proportion equation
157,571.96 : 236,400.06 = 68,832.68 : x - Step 2: Convert to fraction form
157,571.96/236,400.06 = 68,832.68/x - Step 3: Cross multiply
157,571.96x = 236,400.06 × 68,832.68 - Step 4: Simplify right side
157,571.96x = 16,272,049,681.96 - Step 5: Solve for x
x = 16,272,049,681.96/157,571.96 - Step 6: Final answer
x = 103,267.42
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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.