Finding the Fourth Proportional to 271,450.74, 407,176.11 and 84,424.98
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Solution
The fourth proportional to 271,450.74, 407,176.11 and 84,424.98 is: 126,637.47
Step by Step Solution
- Step 1: Write the proportion equation
271,450.74 : 407,176.11 = 84,424.98 : x - Step 2: Convert to fraction form
271,450.74/407,176.11 = 84,424.98/x - Step 3: Cross multiply
271,450.74x = 407,176.11 × 84,424.98 - Step 4: Simplify right side
271,450.74x = 34,375,834,943.23 - Step 5: Solve for x
x = 34,375,834,943.23/271,450.74 - Step 6: Final answer
x = 126,637.47
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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.