Finding the Fourth Proportional to 143,950.44, 215,901.18 and 38,745.96
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Solution
The fourth proportional to 143,950.44, 215,901.18 and 38,745.96 is: 58,112.35
Step by Step Solution
- Step 1: Write the proportion equation
143,950.44 : 215,901.18 = 38,745.96 : x - Step 2: Convert to fraction form
143,950.44/215,901.18 = 38,745.96/x - Step 3: Cross multiply
143,950.44x = 215,901.18 × 38,745.96 - Step 4: Simplify right side
143,950.44x = 8,365,298,484.23 - Step 5: Solve for x
x = 8,365,298,484.23/143,950.44 - Step 6: Final answer
x = 58,112.35
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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.