Finding the Fourth Proportional to 84,197.36, 126,316.84 and 25,032.76
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Solution
The fourth proportional to 84,197.36, 126,316.84 and 25,032.76 is: 37,555.32
Step by Step Solution
- Step 1: Write the proportion equation
84,197.36 : 126,316.84 = 25,032.76 : x - Step 2: Convert to fraction form
84,197.36/126,316.84 = 25,032.76/x - Step 3: Cross multiply
84,197.36x = 126,316.84 × 25,032.76 - Step 4: Simplify right side
84,197.36x = 3,162,059,139.68 - Step 5: Solve for x
x = 3,162,059,139.68/84,197.36 - Step 6: Final answer
x = 37,555.32
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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.