Finding the Fourth Proportional to 321,909.76, 444,199.44 and 178,675.84
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Solution
The fourth proportional to 321,909.76, 444,199.44 and 178,675.84 is: 246,552.66
Step by Step Solution
- Step 1: Write the proportion equation
321,909.76 : 444,199.44 = 178,675.84 : x - Step 2: Convert to fraction form
321,909.76/444,199.44 = 178,675.84/x - Step 3: Cross multiply
321,909.76x = 444,199.44 × 178,675.84 - Step 4: Simplify right side
321,909.76x = 79,367,708,069.53 - Step 5: Solve for x
x = 79,367,708,069.53/321,909.76 - Step 6: Final answer
x = 246,552.66
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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.