Finding the Fourth Proportional to 84,548.43, 126,829.85 and 22,218.75
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Solution
The fourth proportional to 84,548.43, 126,829.85 and 22,218.75 is: 33,330.02
Step by Step Solution
- Step 1: Write the proportion equation
84,548.43 : 126,829.85 = 22,218.75 : x - Step 2: Convert to fraction form
84,548.43/126,829.85 = 22,218.75/x - Step 3: Cross multiply
84,548.43x = 126,829.85 × 22,218.75 - Step 4: Simplify right side
84,548.43x = 2,818,000,618.59 - Step 5: Solve for x
x = 2,818,000,618.59/84,548.43 - Step 6: Final answer
x = 33,330.02
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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.