Finding the Fourth Proportional to 372,692.12, 514,321.35 and 211,552.12
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Solution
The fourth proportional to 372,692.12, 514,321.35 and 211,552.12 is: 291,945.45
Step by Step Solution
- Step 1: Write the proportion equation
372,692.12 : 514,321.35 = 211,552.12 : x - Step 2: Convert to fraction form
372,692.12/514,321.35 = 211,552.12/x - Step 3: Cross multiply
372,692.12x = 514,321.35 × 211,552.12 - Step 4: Simplify right side
372,692.12x = 108,805,769,382.16 - Step 5: Solve for x
x = 108,805,769,382.16/372,692.12 - Step 6: Final answer
x = 291,945.45
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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.