Finding the Fourth Proportional to 263,544.99, 363,695.04 and 142,688.81
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Solution
The fourth proportional to 263,544.99, 363,695.04 and 142,688.81 is: 196,912.15
Step by Step Solution
- Step 1: Write the proportion equation
263,544.99 : 363,695.04 = 142,688.81 : x - Step 2: Convert to fraction form
263,544.99/363,695.04 = 142,688.81/x - Step 3: Cross multiply
263,544.99x = 363,695.04 × 142,688.81 - Step 4: Simplify right side
263,544.99x = 51,895,210,642.03 - Step 5: Solve for x
x = 51,895,210,642.03/263,544.99 - Step 6: Final answer
x = 196,912.15
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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.