Finding the Fourth Proportional to 201,175.80, 301,763.70 and 107,863.80
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Solution
The fourth proportional to 201,175.80, 301,763.70 and 107,863.80 is: 161,795.70
Step by Step Solution
- Step 1: Write the proportion equation
201,175.80 : 301,763.70 = 107,863.80 : x - Step 2: Convert to fraction form
201,175.80/301,763.70 = 107,863.80/x - Step 3: Cross multiply
201,175.80x = 301,763.70 × 107,863.80 - Step 4: Simplify right side
201,175.80x = 32,549,379,384.06 - Step 5: Solve for x
x = 32,549,379,384.06/201,175.80 - Step 6: Final answer
x = 161,795.70
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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.