Finding the Fourth Proportional to 302,253.49, 417,109.84 and 166,284.53
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Solution
The fourth proportional to 302,253.49, 417,109.84 and 166,284.53 is: 229,472.66
Step by Step Solution
- Step 1: Write the proportion equation
302,253.49 : 417,109.84 = 166,284.53 : x - Step 2: Convert to fraction form
302,253.49/417,109.84 = 166,284.53/x - Step 3: Cross multiply
302,253.49x = 417,109.84 × 166,284.53 - Step 4: Simplify right side
302,253.49x = 69,358,912,765.68 - Step 5: Solve for x
x = 69,358,912,765.68/302,253.49 - Step 6: Final answer
x = 229,472.66
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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.