Finding the Fourth Proportional to 170,639.93, 255,850.54 and 70,868.99
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Solution
The fourth proportional to 170,639.93, 255,850.54 and 70,868.99 is: 106,258.07
Step by Step Solution
- Step 1: Write the proportion equation
170,639.93 : 255,850.54 = 70,868.99 : x - Step 2: Convert to fraction form
170,639.93/255,850.54 = 70,868.99/x - Step 3: Cross multiply
170,639.93x = 255,850.54 × 70,868.99 - Step 4: Simplify right side
170,639.93x = 18,131,869,823.21 - Step 5: Solve for x
x = 18,131,869,823.21/170,639.93 - Step 6: Final answer
x = 106,258.07
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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.