Finding the Fourth Proportional to 181,069.79, 271,633.84 and 56,381.63
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Solution
The fourth proportional to 181,069.79, 271,633.84 and 56,381.63 is: 84,581.52
Step by Step Solution
- Step 1: Write the proportion equation
181,069.79 : 271,633.84 = 56,381.63 : x - Step 2: Convert to fraction form
181,069.79/271,633.84 = 56,381.63/x - Step 3: Cross multiply
181,069.79x = 271,633.84 × 56,381.63 - Step 4: Simplify right side
181,069.79x = 15,315,157,163.24 - Step 5: Solve for x
x = 15,315,157,163.24/181,069.79 - Step 6: Final answer
x = 84,581.52
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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.