Finding the Fourth Proportional to 170,161.78, 255,242.58 and 70,212.08
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Solution
The fourth proportional to 170,161.78, 255,242.58 and 70,212.08 is: 105,318.08
Step by Step Solution
- Step 1: Write the proportion equation
170,161.78 : 255,242.58 = 70,212.08 : x - Step 2: Convert to fraction form
170,161.78/255,242.58 = 70,212.08/x - Step 3: Cross multiply
170,161.78x = 255,242.58 × 70,212.08 - Step 4: Simplify right side
170,161.78x = 17,921,112,446.37 - Step 5: Solve for x
x = 17,921,112,446.37/170,161.78 - Step 6: Final answer
x = 105,318.08
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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.