Finding the Fourth Proportional to 84,312.92, 126,465.06 and 25,149.08
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Solution
The fourth proportional to 84,312.92, 126,465.06 and 25,149.08 is: 37,722.33
Step by Step Solution
- Step 1: Write the proportion equation
84,312.92 : 126,465.06 = 25,149.08 : x - Step 2: Convert to fraction form
84,312.92/126,465.06 = 25,149.08/x - Step 3: Cross multiply
84,312.92x = 126,465.06 × 25,149.08 - Step 4: Simplify right side
84,312.92x = 3,180,479,911.14 - Step 5: Solve for x
x = 3,180,479,911.14/84,312.92 - Step 6: Final answer
x = 37,722.33
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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.