Finding the Fourth Proportional to 301,135.40, 451,703.10 and 160,821.80
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Solution
The fourth proportional to 301,135.40, 451,703.10 and 160,821.80 is: 241,232.70
Step by Step Solution
- Step 1: Write the proportion equation
301,135.40 : 451,703.10 = 160,821.80 : x - Step 2: Convert to fraction form
301,135.40/451,703.10 = 160,821.80/x - Step 3: Cross multiply
301,135.40x = 451,703.10 × 160,821.80 - Step 4: Simplify right side
301,135.40x = 72,643,705,607.58 - Step 5: Solve for x
x = 72,643,705,607.58/301,135.40 - Step 6: Final answer
x = 241,232.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.