Finding the Fourth Proportional to 157,129.72, 235,696.73 and 44,809.99
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Solution
The fourth proportional to 157,129.72, 235,696.73 and 44,809.99 is: 67,215.60
Step by Step Solution
- Step 1: Write the proportion equation
157,129.72 : 235,696.73 = 44,809.99 : x - Step 2: Convert to fraction form
157,129.72/235,696.73 = 44,809.99/x - Step 3: Cross multiply
157,129.72x = 235,696.73 × 44,809.99 - Step 4: Simplify right side
157,129.72x = 10,561,568,114.33 - Step 5: Solve for x
x = 10,561,568,114.33/157,129.72 - Step 6: Final answer
x = 67,215.60
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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.