Finding the Fourth Proportional to 321,282.99, 481,929.48 and 121,697.37
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Solution
The fourth proportional to 321,282.99, 481,929.48 and 121,697.37 is: 182,547.95
Step by Step Solution
- Step 1: Write the proportion equation
321,282.99 : 481,929.48 = 121,697.37 : x - Step 2: Convert to fraction form
321,282.99/481,929.48 = 121,697.37/x - Step 3: Cross multiply
321,282.99x = 481,929.48 × 121,697.37 - Step 4: Simplify right side
321,282.99x = 58,649,550,241.47 - Step 5: Solve for x
x = 58,649,550,241.47/321,282.99 - Step 6: Final answer
x = 182,547.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.