Finding the Fourth Proportional to 239,814.23, 330,934.88 and 132,383.93
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Solution
The fourth proportional to 239,814.23, 330,934.88 and 132,383.93 is: 182,684.99
Step by Step Solution
- Step 1: Write the proportion equation
239,814.23 : 330,934.88 = 132,383.93 : x - Step 2: Convert to fraction form
239,814.23/330,934.88 = 132,383.93/x - Step 3: Cross multiply
239,814.23x = 330,934.88 × 132,383.93 - Step 4: Simplify right side
239,814.23x = 43,810,458,664.76 - Step 5: Solve for x
x = 43,810,458,664.76/239,814.23 - Step 6: Final answer
x = 182,684.99
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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.