Finding the Fourth Proportional to 115,328.80, 173,133.60 and 73,208.80
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Solution
The fourth proportional to 115,328.80, 173,133.60 and 73,208.80 is: 109,902.32
Step by Step Solution
- Step 1: Write the proportion equation
115,328.80 : 173,133.60 = 73,208.80 : x - Step 2: Convert to fraction form
115,328.80/173,133.60 = 73,208.80/x - Step 3: Cross multiply
115,328.80x = 173,133.60 × 73,208.80 - Step 4: Simplify right side
115,328.80x = 12,674,903,095.68 - Step 5: Solve for x
x = 12,674,903,095.68/115,328.80 - Step 6: Final answer
x = 109,902.32
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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.