Finding the Fourth Proportional to 144,273.19, 217,394.55 and 118,554.07
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Solution
The fourth proportional to 144,273.19, 217,394.55 and 118,554.07 is: 178,640.32
Step by Step Solution
- Step 1: Write the proportion equation
144,273.19 : 217,394.55 = 118,554.07 : x - Step 2: Convert to fraction form
144,273.19/217,394.55 = 118,554.07/x - Step 3: Cross multiply
144,273.19x = 217,394.55 × 118,554.07 - Step 4: Simplify right side
144,273.19x = 25,773,008,698.32 - Step 5: Solve for x
x = 25,773,008,698.32/144,273.19 - Step 6: Final answer
x = 178,640.32
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.