Finding the Fourth Proportional to 271,526.77, 407,327.21 and 157,728.05
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Solution
The fourth proportional to 271,526.77, 407,327.21 and 157,728.05 is: 236,613.60
Step by Step Solution
- Step 1: Write the proportion equation
271,526.77 : 407,327.21 = 157,728.05 : x - Step 2: Convert to fraction form
271,526.77/407,327.21 = 157,728.05/x - Step 3: Cross multiply
271,526.77x = 407,327.21 × 157,728.05 - Step 4: Simplify right side
271,526.77x = 64,246,926,545.24 - Step 5: Solve for x
x = 64,246,926,545.24/271,526.77 - Step 6: Final answer
x = 236,613.60
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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.