Finding the Fourth Proportional to 239,804.36, 330,930.08 and 132,374.47
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Solution
The fourth proportional to 239,804.36, 330,930.08 and 132,374.47 is: 182,676.80
Step by Step Solution
- Step 1: Write the proportion equation
239,804.36 : 330,930.08 = 132,374.47 : x - Step 2: Convert to fraction form
239,804.36/330,930.08 = 132,374.47/x - Step 3: Cross multiply
239,804.36x = 330,930.08 × 132,374.47 - Step 4: Simplify right side
239,804.36x = 43,806,693,947.06 - Step 5: Solve for x
x = 43,806,693,947.06/239,804.36 - Step 6: Final answer
x = 182,676.80
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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.