Finding the Fourth Proportional to 302,205.68, 417,051.62 and 166,243.12
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Solution
The fourth proportional to 302,205.68, 417,051.62 and 166,243.12 is: 229,419.79
Step by Step Solution
- Step 1: Write the proportion equation
302,205.68 : 417,051.62 = 166,243.12 : x - Step 2: Convert to fraction form
302,205.68/417,051.62 = 166,243.12/x - Step 3: Cross multiply
302,205.68x = 417,051.62 × 166,243.12 - Step 4: Simplify right side
302,205.68x = 69,331,962,509.85 - Step 5: Solve for x
x = 69,331,962,509.85/302,205.68 - Step 6: Final answer
x = 229,419.79
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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.