Finding the Fourth Proportional to 756,905.92, 1,135,385.70 and 188,289.98
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Solution
The fourth proportional to 756,905.92, 1,135,385.70 and 188,289.98 is: 282,441.64
Step by Step Solution
- Step 1: Write the proportion equation
756,905.92 : 1,135,385.70 = 188,289.98 : x - Step 2: Convert to fraction form
756,905.92/1,135,385.70 = 188,289.98/x - Step 3: Cross multiply
756,905.92x = 1,135,385.70 × 188,289.98 - Step 4: Simplify right side
756,905.92x = 213,781,750,745.29 - Step 5: Solve for x
x = 213,781,750,745.29/756,905.92 - Step 6: Final answer
x = 282,441.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.