Finding the Fourth Proportional to 622,678.36, 934,042.14 and 173,438.49
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Solution
The fourth proportional to 622,678.36, 934,042.14 and 173,438.49 is: 260,164.58
Step by Step Solution
- Step 1: Write the proportion equation
622,678.36 : 934,042.14 = 173,438.49 : x - Step 2: Convert to fraction form
622,678.36/934,042.14 = 173,438.49/x - Step 3: Cross multiply
622,678.36x = 934,042.14 × 173,438.49 - Step 4: Simplify right side
622,678.36x = 161,998,853,687.76 - Step 5: Solve for x
x = 161,998,853,687.76/622,678.36 - Step 6: Final answer
x = 260,164.58
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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.