Finding the Fourth Proportional to 239,804.91, 330,929.19 and 132,374.88
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Solution
The fourth proportional to 239,804.91, 330,929.19 and 132,374.88 is: 182,676.46
Step by Step Solution
- Step 1: Write the proportion equation
239,804.91 : 330,929.19 = 132,374.88 : x - Step 2: Convert to fraction form
239,804.91/330,929.19 = 132,374.88/x - Step 3: Cross multiply
239,804.91x = 330,929.19 × 132,374.88 - Step 4: Simplify right side
239,804.91x = 43,806,711,814.75 - Step 5: Solve for x
x = 43,806,711,814.75/239,804.91 - Step 6: Final answer
x = 182,676.46
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1.5x scale
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.