Finding the Fourth Proportional to 372,621.60, 514,217.67 and 202,855.68
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Solution
The fourth proportional to 372,621.60, 514,217.67 and 202,855.68 is: 279,940.76
Step by Step Solution
- Step 1: Write the proportion equation
372,621.60 : 514,217.67 = 202,855.68 : x - Step 2: Convert to fraction form
372,621.60/514,217.67 = 202,855.68/x - Step 3: Cross multiply
372,621.60x = 514,217.67 × 202,855.68 - Step 4: Simplify right side
372,621.60x = 104,311,975,115.87 - Step 5: Solve for x
x = 104,311,975,115.87/372,621.60 - Step 6: Final answer
x = 279,940.76
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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.