Finding the Fourth Proportional to 218,318.68, 301,276.50 and 122,825.48
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Solution
The fourth proportional to 218,318.68, 301,276.50 and 122,825.48 is: 169,497.32
Step by Step Solution
- Step 1: Write the proportion equation
218,318.68 : 301,276.50 = 122,825.48 : x - Step 2: Convert to fraction form
218,318.68/301,276.50 = 122,825.48/x - Step 3: Cross multiply
218,318.68x = 301,276.50 × 122,825.48 - Step 4: Simplify right side
218,318.68x = 37,004,430,725.22 - Step 5: Solve for x
x = 37,004,430,725.22/218,318.68 - Step 6: Final answer
x = 169,497.32
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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.