Finding the Fourth Proportional to 239,804.12, 330,929.73 and 132,374.23
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Solution
The fourth proportional to 239,804.12, 330,929.73 and 132,374.23 is: 182,676.46
Step by Step Solution
- Step 1: Write the proportion equation
239,804.12 : 330,929.73 = 132,374.23 : x - Step 2: Convert to fraction form
239,804.12/330,929.73 = 132,374.23/x - Step 3: Cross multiply
239,804.12x = 330,929.73 × 132,374.23 - Step 4: Simplify right side
239,804.12x = 43,806,567,365.53 - Step 5: Solve for x
x = 43,806,567,365.53/239,804.12 - Step 6: Final answer
x = 182,676.46
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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.