Finding the Fourth Proportional to 113,521.96, 170,282.94 and 38,649.88
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Solution
The fourth proportional to 113,521.96, 170,282.94 and 38,649.88 is: 57,974.82
Step by Step Solution
- Step 1: Write the proportion equation
113,521.96 : 170,282.94 = 38,649.88 : x - Step 2: Convert to fraction form
113,521.96/170,282.94 = 38,649.88/x - Step 3: Cross multiply
113,521.96x = 170,282.94 × 38,649.88 - Step 4: Simplify right side
113,521.96x = 6,581,415,197.05 - Step 5: Solve for x
x = 6,581,415,197.05/113,521.96 - Step 6: Final answer
x = 57,974.82
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1.5x scale
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.