Finding the Fourth Proportional to 339,692.18, 468,781.07 and 186,736.82
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Solution
The fourth proportional to 339,692.18, 468,781.07 and 186,736.82 is: 257,700.03
Step by Step Solution
- Step 1: Write the proportion equation
339,692.18 : 468,781.07 = 186,736.82 : x - Step 2: Convert to fraction form
339,692.18/468,781.07 = 186,736.82/x - Step 3: Cross multiply
339,692.18x = 468,781.07 × 186,736.82 - Step 4: Simplify right side
339,692.18x = 87,538,683,010.41 - Step 5: Solve for x
x = 87,538,683,010.41/339,692.18 - Step 6: Final answer
x = 257,700.03
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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.