Finding the Fourth Proportional to 234,930.48, 324,036.58 and 215,611.62
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Solution
The fourth proportional to 234,930.48, 324,036.58 and 215,611.62 is: 297,390.33
Step by Step Solution
- Step 1: Write the proportion equation
234,930.48 : 324,036.58 = 215,611.62 : x - Step 2: Convert to fraction form
234,930.48/324,036.58 = 215,611.62/x - Step 3: Cross multiply
234,930.48x = 324,036.58 × 215,611.62 - Step 4: Simplify right side
234,930.48x = 69,866,051,953.06 - Step 5: Solve for x
x = 69,866,051,953.06/234,930.48 - Step 6: Final answer
x = 297,390.33
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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.