Finding the Fourth Proportional to 320,932.92, 442,901.26 and 177,692.96
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Solution
The fourth proportional to 320,932.92, 442,901.26 and 177,692.96 is: 245,223.94
Step by Step Solution
- Step 1: Write the proportion equation
320,932.92 : 442,901.26 = 177,692.96 : x - Step 2: Convert to fraction form
320,932.92/442,901.26 = 177,692.96/x - Step 3: Cross multiply
320,932.92x = 442,901.26 × 177,692.96 - Step 4: Simplify right side
320,932.92x = 78,700,435,877.13 - Step 5: Solve for x
x = 78,700,435,877.13/320,932.92 - Step 6: Final answer
x = 245,223.94
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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.