Finding the Fourth Proportional to 157,861.44, 217,873.44 and 101,332.80
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Solution
The fourth proportional to 157,861.44, 217,873.44 and 101,332.80 is: 139,855.09
Step by Step Solution
- Step 1: Write the proportion equation
157,861.44 : 217,873.44 = 101,332.80 : x - Step 2: Convert to fraction form
157,861.44/217,873.44 = 101,332.80/x - Step 3: Cross multiply
157,861.44x = 217,873.44 × 101,332.80 - Step 4: Simplify right side
157,861.44x = 22,077,725,720.83 - Step 5: Solve for x
x = 22,077,725,720.83/157,861.44 - Step 6: Final answer
x = 139,855.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.