Finding the Fourth Proportional to 201,411.60, 302,214.60 and 142,119.60
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Solution
The fourth proportional to 201,411.60, 302,214.60 and 142,119.60 is: 213,247.99
Step by Step Solution
- Step 1: Write the proportion equation
201,411.60 : 302,214.60 = 142,119.60 : x - Step 2: Convert to fraction form
201,411.60/302,214.60 = 142,119.60/x - Step 3: Cross multiply
201,411.60x = 302,214.60 × 142,119.60 - Step 4: Simplify right side
201,411.60x = 42,950,618,066.16 - Step 5: Solve for x
x = 42,950,618,066.16/201,411.60 - Step 6: Final answer
x = 213,247.99
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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.