Finding the Fourth Proportional to 321,266.84, 443,350.84 and 178,029.26
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Solution
The fourth proportional to 321,266.84, 443,350.84 and 178,029.26 is: 245,681.82
Step by Step Solution
- Step 1: Write the proportion equation
321,266.84 : 443,350.84 = 178,029.26 : x - Step 2: Convert to fraction form
321,266.84/443,350.84 = 178,029.26/x - Step 3: Cross multiply
321,266.84x = 443,350.84 × 178,029.26 - Step 4: Simplify right side
321,266.84x = 78,929,421,965.58 - Step 5: Solve for x
x = 78,929,421,965.58/321,266.84 - Step 6: Final answer
x = 245,681.82
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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.