Finding the Fourth Proportional to 157,747.80, 236,621.70 and 95,539.80
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Solution
The fourth proportional to 157,747.80, 236,621.70 and 95,539.80 is: 143,309.70
Step by Step Solution
- Step 1: Write the proportion equation
157,747.80 : 236,621.70 = 95,539.80 : x - Step 2: Convert to fraction form
157,747.80/236,621.70 = 95,539.80/x - Step 3: Cross multiply
157,747.80x = 236,621.70 × 95,539.80 - Step 4: Simplify right side
157,747.80x = 22,606,789,893.66 - Step 5: Solve for x
x = 22,606,789,893.66/157,747.80 - Step 6: Final answer
x = 143,309.70
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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.