Finding the Fourth Proportional to 84,214.72, 126,398.58 and 44,804.80
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Solution
The fourth proportional to 84,214.72, 126,398.58 and 44,804.80 is: 67,247.90
Step by Step Solution
- Step 1: Write the proportion equation
84,214.72 : 126,398.58 = 44,804.80 : x - Step 2: Convert to fraction form
84,214.72/126,398.58 = 44,804.80/x - Step 3: Cross multiply
84,214.72x = 126,398.58 × 44,804.80 - Step 4: Simplify right side
84,214.72x = 5,663,263,097.18 - Step 5: Solve for x
x = 5,663,263,097.18/84,214.72 - Step 6: Final answer
x = 67,247.90
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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.