Finding the Fourth Proportional to 302,187.87, 417,029.18 and 166,232.26
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Solution
The fourth proportional to 302,187.87, 417,029.18 and 166,232.26 is: 229,405.97
Step by Step Solution
- Step 1: Write the proportion equation
302,187.87 : 417,029.18 = 166,232.26 : x - Step 2: Convert to fraction form
302,187.87/417,029.18 = 166,232.26/x - Step 3: Cross multiply
302,187.87x = 417,029.18 × 166,232.26 - Step 4: Simplify right side
302,187.87x = 69,323,700,421.68 - Step 5: Solve for x
x = 69,323,700,421.68/302,187.87 - Step 6: Final answer
x = 229,405.97
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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.