Finding the Fourth Proportional to 114,322.87, 157,717.11 and 71,865.91
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Solution
The fourth proportional to 114,322.87, 157,717.11 and 71,865.91 is: 99,144.50
Step by Step Solution
- Step 1: Write the proportion equation
114,322.87 : 157,717.11 = 71,865.91 : x - Step 2: Convert to fraction form
114,322.87/157,717.11 = 71,865.91/x - Step 3: Cross multiply
114,322.87x = 157,717.11 × 71,865.91 - Step 4: Simplify right side
114,322.87x = 11,334,483,632.72 - Step 5: Solve for x
x = 11,334,483,632.72/114,322.87 - Step 6: Final answer
x = 99,144.50
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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.