Finding the Fourth Proportional to 115,989.80, 173,982.36 and 37,104.02
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Solution
The fourth proportional to 115,989.80, 173,982.36 and 37,104.02 is: 55,655.28
Step by Step Solution
- Step 1: Write the proportion equation
115,989.80 : 173,982.36 = 37,104.02 : x - Step 2: Convert to fraction form
115,989.80/173,982.36 = 37,104.02/x - Step 3: Cross multiply
115,989.80x = 173,982.36 × 37,104.02 - Step 4: Simplify right side
115,989.80x = 6,455,444,965.09 - Step 5: Solve for x
x = 6,455,444,965.09/115,989.80 - Step 6: Final answer
x = 55,655.28
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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.