Finding the Fourth Proportional to 236,944.69, 355,479.27 and 85,157.08
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Solution
The fourth proportional to 236,944.69, 355,479.27 and 85,157.08 is: 127,757.99
Step by Step Solution
- Step 1: Write the proportion equation
236,944.69 : 355,479.27 = 85,157.08 : x - Step 2: Convert to fraction form
236,944.69/355,479.27 = 85,157.08/x - Step 3: Cross multiply
236,944.69x = 355,479.27 × 85,157.08 - Step 4: Simplify right side
236,944.69x = 30,271,576,633.73 - Step 5: Solve for x
x = 30,271,576,633.73/236,944.69 - Step 6: Final answer
x = 127,757.99
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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.