Finding the Fourth Proportional to 114,218.62, 157,599.36 and 71,752.55
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Solution
The fourth proportional to 114,218.62, 157,599.36 and 71,752.55 is: 99,004.49
Step by Step Solution
- Step 1: Write the proportion equation
114,218.62 : 157,599.36 = 71,752.55 : x - Step 2: Convert to fraction form
114,218.62/157,599.36 = 71,752.55/x - Step 3: Cross multiply
114,218.62x = 157,599.36 × 71,752.55 - Step 4: Simplify right side
114,218.62x = 11,308,155,958.37 - Step 5: Solve for x
x = 11,308,155,958.37/114,218.62 - Step 6: Final answer
x = 99,004.49
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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.