Finding the Fourth Proportional to 84,308.18, 126,470.74 and 24,338.16
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Solution
The fourth proportional to 84,308.18, 126,470.74 and 24,338.16 is: 36,509.69
Step by Step Solution
- Step 1: Write the proportion equation
84,308.18 : 126,470.74 = 24,338.16 : x - Step 2: Convert to fraction form
84,308.18/126,470.74 = 24,338.16/x - Step 3: Cross multiply
84,308.18x = 126,470.74 × 24,338.16 - Step 4: Simplify right side
84,308.18x = 3,078,065,105.44 - Step 5: Solve for x
x = 3,078,065,105.44/84,308.18 - Step 6: Final answer
x = 36,509.69
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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.