Finding the Fourth Proportional to 213,356.70, 294,340.95 and 122,692.14
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Solution
The fourth proportional to 213,356.70, 294,340.95 and 122,692.14 is: 169,262.65
Step by Step Solution
- Step 1: Write the proportion equation
213,356.70 : 294,340.95 = 122,692.14 : x - Step 2: Convert to fraction form
213,356.70/294,340.95 = 122,692.14/x - Step 3: Cross multiply
213,356.70x = 294,340.95 × 122,692.14 - Step 4: Simplify right side
213,356.70x = 36,113,321,045.13 - Step 5: Solve for x
x = 36,113,321,045.13/213,356.70 - Step 6: Final answer
x = 169,262.65
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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.