Finding the Fourth Proportional to 146,654.40, 202,456.80 and 122,692.80
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Solution
The fourth proportional to 146,654.40, 202,456.80 and 122,692.80 is: 169,377.75
Step by Step Solution
- Step 1: Write the proportion equation
146,654.40 : 202,456.80 = 122,692.80 : x - Step 2: Convert to fraction form
146,654.40/202,456.80 = 122,692.80/x - Step 3: Cross multiply
146,654.40x = 202,456.80 × 122,692.80 - Step 4: Simplify right side
146,654.40x = 24,839,991,671.04 - Step 5: Solve for x
x = 24,839,991,671.04/146,654.40 - Step 6: Final answer
x = 169,377.75
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1.5x scale
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.