Finding the Fourth Proportional to 512,596.80, 768,664.80 and 196,948.80
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Solution
The fourth proportional to 512,596.80, 768,664.80 and 196,948.80 is: 295,334.68
Step by Step Solution
- Step 1: Write the proportion equation
512,596.80 : 768,664.80 = 196,948.80 : x - Step 2: Convert to fraction form
512,596.80/768,664.80 = 196,948.80/x - Step 3: Cross multiply
512,596.80x = 768,664.80 × 196,948.80 - Step 4: Simplify right side
512,596.80x = 151,387,609,962.24 - Step 5: Solve for x
x = 151,387,609,962.24/512,596.80 - Step 6: Final answer
x = 295,334.68
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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.