Finding the Fourth Proportional to 201,964.80, 302,613.84 and 122,839.68
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Solution
The fourth proportional to 201,964.80, 302,613.84 and 122,839.68 is: 184,056.76
Step by Step Solution
- Step 1: Write the proportion equation
201,964.80 : 302,613.84 = 122,839.68 : x - Step 2: Convert to fraction form
201,964.80/302,613.84 = 122,839.68/x - Step 3: Cross multiply
201,964.80x = 302,613.84 × 122,839.68 - Step 4: Simplify right side
201,964.80x = 37,172,987,269.17 - Step 5: Solve for x
x = 37,172,987,269.17/201,964.80 - Step 6: Final answer
x = 184,056.76
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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.