Finding the Fourth Proportional to 115,699.28, 173,548.92 and 36,813.68
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Solution
The fourth proportional to 115,699.28, 173,548.92 and 36,813.68 is: 55,220.52
Step by Step Solution
- Step 1: Write the proportion equation
115,699.28 : 173,548.92 = 36,813.68 : x - Step 2: Convert to fraction form
115,699.28/173,548.92 = 36,813.68/x - Step 3: Cross multiply
115,699.28x = 173,548.92 × 36,813.68 - Step 4: Simplify right side
115,699.28x = 6,388,974,405.23 - Step 5: Solve for x
x = 6,388,974,405.23/115,699.28 - Step 6: Final answer
x = 55,220.52
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1.5x scale
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.