Finding the Fourth Proportional to 363,756.48, 545,742.72 and 186,388.08
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Solution
The fourth proportional to 363,756.48, 545,742.72 and 186,388.08 is: 279,637.46
Step by Step Solution
- Step 1: Write the proportion equation
363,756.48 : 545,742.72 = 186,388.08 : x - Step 2: Convert to fraction form
363,756.48/545,742.72 = 186,388.08/x - Step 3: Cross multiply
363,756.48x = 545,742.72 × 186,388.08 - Step 4: Simplify right side
363,756.48x = 101,719,937,754.78 - Step 5: Solve for x
x = 101,719,937,754.78/363,756.48 - Step 6: Final answer
x = 279,637.46
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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.