Finding the Fourth Proportional to 167,744.44, 251,358.24 and 77,731.62
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Solution
The fourth proportional to 167,744.44, 251,358.24 and 77,731.62 is: 116,477.68
Step by Step Solution
- Step 1: Write the proportion equation
167,744.44 : 251,358.24 = 77,731.62 : x - Step 2: Convert to fraction form
167,744.44/251,358.24 = 77,731.62/x - Step 3: Cross multiply
167,744.44x = 251,358.24 × 77,731.62 - Step 4: Simplify right side
167,744.44x = 19,538,483,195.55 - Step 5: Solve for x
x = 19,538,483,195.55/167,744.44 - Step 6: Final answer
x = 116,477.68
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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.