Finding the Fourth Proportional to 239,795.70, 330,918.12 and 132,365.79
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Solution
The fourth proportional to 239,795.70, 330,918.12 and 132,365.79 is: 182,664.82
Step by Step Solution
- Step 1: Write the proportion equation
239,795.70 : 330,918.12 = 132,365.79 : x - Step 2: Convert to fraction form
239,795.70/330,918.12 = 132,365.79/x - Step 3: Cross multiply
239,795.70x = 330,918.12 × 132,365.79 - Step 4: Simplify right side
239,795.70x = 43,802,238,379.11 - Step 5: Solve for x
x = 43,802,238,379.11/239,795.70 - Step 6: Final answer
x = 182,664.82
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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.