Finding the Fourth Proportional to 201,459.60, 302,286.60 and 142,167.60
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Solution
The fourth proportional to 201,459.60, 302,286.60 and 142,167.60 is: 213,319.99
Step by Step Solution
- Step 1: Write the proportion equation
201,459.60 : 302,286.60 = 142,167.60 : x - Step 2: Convert to fraction form
201,459.60/302,286.60 = 142,167.60/x - Step 3: Cross multiply
201,459.60x = 302,286.60 × 142,167.60 - Step 4: Simplify right side
201,459.60x = 42,975,360,434.16 - Step 5: Solve for x
x = 42,975,360,434.16/201,459.60 - Step 6: Final answer
x = 213,319.99
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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.