Finding the Fourth Proportional to 166,879.87, 249,882.36 and 114,391.87
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Solution
The fourth proportional to 166,879.87, 249,882.36 and 114,391.87 is: 171,287.95
Step by Step Solution
- Step 1: Write the proportion equation
166,879.87 : 249,882.36 = 114,391.87 : x - Step 2: Convert to fraction form
166,879.87/249,882.36 = 114,391.87/x - Step 3: Cross multiply
166,879.87x = 249,882.36 × 114,391.87 - Step 4: Simplify right side
166,879.87x = 28,584,510,440.41 - Step 5: Solve for x
x = 28,584,510,440.41/166,879.87 - Step 6: Final answer
x = 171,287.95
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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.