Finding the Fourth Proportional to 135,972.99, 203,958.63 and 52,866.99
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Solution
The fourth proportional to 135,972.99, 203,958.63 and 52,866.99 is: 79,300.15
Step by Step Solution
- Step 1: Write the proportion equation
135,972.99 : 203,958.63 = 52,866.99 : x - Step 2: Convert to fraction form
135,972.99/203,958.63 = 52,866.99/x - Step 3: Cross multiply
135,972.99x = 203,958.63 × 52,866.99 - Step 4: Simplify right side
135,972.99x = 10,782,678,852.62 - Step 5: Solve for x
x = 10,782,678,852.62/135,972.99 - Step 6: Final answer
x = 79,300.15
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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.