Finding the Fourth Proportional to 372,276.26, 513,740.85 and 202,509.98
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Solution
The fourth proportional to 372,276.26, 513,740.85 and 202,509.98 is: 279,463.56
Step by Step Solution
- Step 1: Write the proportion equation
372,276.26 : 513,740.85 = 202,509.98 : x - Step 2: Convert to fraction form
372,276.26/513,740.85 = 202,509.98/x - Step 3: Cross multiply
372,276.26x = 513,740.85 × 202,509.98 - Step 4: Simplify right side
372,276.26x = 104,037,649,258.68 - Step 5: Solve for x
x = 104,037,649,258.68/372,276.26 - Step 6: Final answer
x = 279,463.56
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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.