Finding the Fourth Proportional to 372,099.76, 513,504.12 and 202,334.92
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Solution
The fourth proportional to 372,099.76, 513,504.12 and 202,334.92 is: 279,225.70
Step by Step Solution
- Step 1: Write the proportion equation
372,099.76 : 513,504.12 = 202,334.92 : x - Step 2: Convert to fraction form
372,099.76/513,504.12 = 202,334.92/x - Step 3: Cross multiply
372,099.76x = 513,504.12 × 202,334.92 - Step 4: Simplify right side
372,099.76x = 103,899,815,039.87 - Step 5: Solve for x
x = 103,899,815,039.87/372,099.76 - Step 6: Final answer
x = 279,225.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.