Finding the Fourth Proportional to 150,813.25, 208,124.62 and 82,832.99
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Solution
The fourth proportional to 150,813.25, 208,124.62 and 82,832.99 is: 114,310.81
Step by Step Solution
- Step 1: Write the proportion equation
150,813.25 : 208,124.62 = 82,832.99 : x - Step 2: Convert to fraction form
150,813.25/208,124.62 = 82,832.99/x - Step 3: Cross multiply
150,813.25x = 208,124.62 × 82,832.99 - Step 4: Simplify right side
150,813.25x = 17,239,583,785.44 - Step 5: Solve for x
x = 17,239,583,785.44/150,813.25 - Step 6: Final answer
x = 114,310.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.