Finding the Fourth Proportional to 115,525.80, 173,288.70 and 115,525.80
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Solution
The fourth proportional to 115,525.80, 173,288.70 and 115,525.80 is: 173,288.70
Step by Step Solution
- Step 1: Write the proportion equation
115,525.80 : 173,288.70 = 115,525.80 : x - Step 2: Convert to fraction form
115,525.80/173,288.70 = 115,525.80/x - Step 3: Cross multiply
115,525.80x = 173,288.70 × 115,525.80 - Step 4: Simplify right side
115,525.80x = 20,019,315,698.46 - Step 5: Solve for x
x = 20,019,315,698.46/115,525.80 - Step 6: Final answer
x = 173,288.70
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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.