Finding the Fourth Proportional to 84,459.74, 126,704.18 and 25,298.96
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Solution
The fourth proportional to 84,459.74, 126,704.18 and 25,298.96 is: 37,952.80
Step by Step Solution
- Step 1: Write the proportion equation
84,459.74 : 126,704.18 = 25,298.96 : x - Step 2: Convert to fraction form
84,459.74/126,704.18 = 25,298.96/x - Step 3: Cross multiply
84,459.74x = 126,704.18 × 25,298.96 - Step 4: Simplify right side
84,459.74x = 3,205,483,411.38 - Step 5: Solve for x
x = 3,205,483,411.38/84,459.74 - Step 6: Final answer
x = 37,952.80
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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.