Finding the Fourth Proportional to 218,828.53, 301,983.42 and 118,226.53
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Solution
The fourth proportional to 218,828.53, 301,983.42 and 118,226.53 is: 163,152.64
Step by Step Solution
- Step 1: Write the proportion equation
218,828.53 : 301,983.42 = 118,226.53 : x - Step 2: Convert to fraction form
218,828.53/301,983.42 = 118,226.53/x - Step 3: Cross multiply
218,828.53x = 301,983.42 × 118,226.53 - Step 4: Simplify right side
218,828.53x = 35,702,451,864.13 - Step 5: Solve for x
x = 35,702,451,864.13/218,828.53 - Step 6: Final answer
x = 163,152.64
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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.