Finding the Fourth Proportional to 201,679.36, 302,706.16 and 101,909.62
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Solution
The fourth proportional to 201,679.36, 302,706.16 and 101,909.62 is: 152,958.98
Step by Step Solution
- Step 1: Write the proportion equation
201,679.36 : 302,706.16 = 101,909.62 : x - Step 2: Convert to fraction form
201,679.36/302,706.16 = 101,909.62/x - Step 3: Cross multiply
201,679.36x = 302,706.16 × 101,909.62 - Step 4: Simplify right side
201,679.36x = 30,848,669,737.26 - Step 5: Solve for x
x = 30,848,669,737.26/201,679.36 - Step 6: Final answer
x = 152,958.98
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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.