Finding the Fourth Proportional to 239,812.52, 330,942.08 and 132,382.31
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Solution
The fourth proportional to 239,812.52, 330,942.08 and 132,382.31 is: 182,688.03
Step by Step Solution
- Step 1: Write the proportion equation
239,812.52 : 330,942.08 = 132,382.31 : x - Step 2: Convert to fraction form
239,812.52/330,942.08 = 132,382.31/x - Step 3: Cross multiply
239,812.52x = 330,942.08 × 132,382.31 - Step 4: Simplify right side
239,812.52x = 43,810,875,702.85 - Step 5: Solve for x
x = 43,810,875,702.85/239,812.52 - Step 6: Final answer
x = 182,688.03
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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.