Finding the Fourth Proportional to 756,903.92, 1,135,382.70 and 188,287.98
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Solution
The fourth proportional to 756,903.92, 1,135,382.70 and 188,287.98 is: 282,438.64
Step by Step Solution
- Step 1: Write the proportion equation
756,903.92 : 1,135,382.70 = 188,287.98 : x - Step 2: Convert to fraction form
756,903.92/1,135,382.70 = 188,287.98/x - Step 3: Cross multiply
756,903.92x = 1,135,382.70 × 188,287.98 - Step 4: Simplify right side
756,903.92x = 213,778,915,109.95 - Step 5: Solve for x
x = 213,778,915,109.95/756,903.92 - Step 6: Final answer
x = 282,438.64
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.