Finding the Fourth Proportional to 83,476.18, 125,212.45 and 20,296.64
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Solution
The fourth proportional to 83,476.18, 125,212.45 and 20,296.64 is: 30,444.52
Step by Step Solution
- Step 1: Write the proportion equation
83,476.18 : 125,212.45 = 20,296.64 : x - Step 2: Convert to fraction form
83,476.18/125,212.45 = 20,296.64/x - Step 3: Cross multiply
83,476.18x = 125,212.45 × 20,296.64 - Step 4: Simplify right side
83,476.18x = 2,541,392,021.17 - Step 5: Solve for x
x = 2,541,392,021.17/83,476.18 - Step 6: Final answer
x = 30,444.52
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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.