Finding the Fourth Proportional to 302,528.70, 417,473.78 and 166,536.09
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Solution
The fourth proportional to 302,528.70, 417,473.78 and 166,536.09 is: 229,811.09
Step by Step Solution
- Step 1: Write the proportion equation
302,528.70 : 417,473.78 = 166,536.09 : x - Step 2: Convert to fraction form
302,528.70/417,473.78 = 166,536.09/x - Step 3: Cross multiply
302,528.70x = 417,473.78 × 166,536.09 - Step 4: Simplify right side
302,528.70x = 69,524,450,166.04 - Step 5: Solve for x
x = 69,524,450,166.04/302,528.70 - Step 6: Final answer
x = 229,811.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.