Finding the Fourth Proportional to 372,582.50, 514,163.91 and 202,817.90
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Solution
The fourth proportional to 372,582.50, 514,163.91 and 202,817.90 is: 279,888.73
Step by Step Solution
- Step 1: Write the proportion equation
372,582.50 : 514,163.91 = 202,817.90 : x - Step 2: Convert to fraction form
372,582.50/514,163.91 = 202,817.90/x - Step 3: Cross multiply
372,582.50x = 514,163.91 × 202,817.90 - Step 4: Simplify right side
372,582.50x = 104,281,644,481.99 - Step 5: Solve for x
x = 104,281,644,481.99/372,582.50 - Step 6: Final answer
x = 279,888.73
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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.