Finding the Fourth Proportional to 372,620.23, 514,217.87 and 202,855.57
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Solution
The fourth proportional to 372,620.23, 514,217.87 and 202,855.57 is: 279,941.75
Step by Step Solution
- Step 1: Write the proportion equation
372,620.23 : 514,217.87 = 202,855.57 : x - Step 2: Convert to fraction form
372,620.23/514,217.87 = 202,855.57/x - Step 3: Cross multiply
372,620.23x = 514,217.87 × 202,855.57 - Step 4: Simplify right side
372,620.23x = 104,311,958,108.76 - Step 5: Solve for x
x = 104,311,958,108.76/372,620.23 - Step 6: Final answer
x = 279,941.75
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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.