Finding the Fourth Proportional to 274,496.40, 378,692.24 and 167,048.80
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Solution
The fourth proportional to 274,496.40, 378,692.24 and 167,048.80 is: 230,458.70
Step by Step Solution
- Step 1: Write the proportion equation
274,496.40 : 378,692.24 = 167,048.80 : x - Step 2: Convert to fraction form
274,496.40/378,692.24 = 167,048.80/x - Step 3: Cross multiply
274,496.40x = 378,692.24 × 167,048.80 - Step 4: Simplify right side
274,496.40x = 63,260,084,261.31 - Step 5: Solve for x
x = 63,260,084,261.31/274,496.40 - Step 6: Final answer
x = 230,458.70
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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.