Finding the Fourth Proportional to 143,353.94, 214,910.62 and 63,378.99
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Solution
The fourth proportional to 143,353.94, 214,910.62 and 63,378.99 is: 95,015.31
Step by Step Solution
- Step 1: Write the proportion equation
143,353.94 : 214,910.62 = 63,378.99 : x - Step 2: Convert to fraction form
143,353.94/214,910.62 = 63,378.99/x - Step 3: Cross multiply
143,353.94x = 214,910.62 × 63,378.99 - Step 4: Simplify right side
143,353.94x = 13,620,817,877.43 - Step 5: Solve for x
x = 13,620,817,877.43/143,353.94 - Step 6: Final answer
x = 95,015.31
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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.