Finding the Fourth Proportional to 84,228.21, 126,341.91 and 34,296.57
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Solution
The fourth proportional to 84,228.21, 126,341.91 and 34,296.57 is: 51,444.69
Step by Step Solution
- Step 1: Write the proportion equation
84,228.21 : 126,341.91 = 34,296.57 : x - Step 2: Convert to fraction form
84,228.21/126,341.91 = 34,296.57/x - Step 3: Cross multiply
84,228.21x = 126,341.91 × 34,296.57 - Step 4: Simplify right side
84,228.21x = 4,333,094,160.25 - Step 5: Solve for x
x = 4,333,094,160.25/84,228.21 - Step 6: Final answer
x = 51,444.69
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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.