Finding the Fourth Proportional to 378,358.19, 567,535.24 and 162,185.09
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Solution
The fourth proportional to 378,358.19, 567,535.24 and 162,185.09 is: 243,276.76
Step by Step Solution
- Step 1: Write the proportion equation
378,358.19 : 567,535.24 = 162,185.09 : x - Step 2: Convert to fraction form
378,358.19/567,535.24 = 162,185.09/x - Step 3: Cross multiply
378,358.19x = 567,535.24 × 162,185.09 - Step 4: Simplify right side
378,358.19x = 92,045,754,535.01 - Step 5: Solve for x
x = 92,045,754,535.01/378,358.19 - Step 6: Final answer
x = 243,276.76
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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.