Finding the Fourth Proportional to 385,859.58, 578,986.97 and 183,684.50
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Solution
The fourth proportional to 385,859.58, 578,986.97 and 183,684.50 is: 275,620.82
Step by Step Solution
- Step 1: Write the proportion equation
385,859.58 : 578,986.97 = 183,684.50 : x - Step 2: Convert to fraction form
385,859.58/578,986.97 = 183,684.50/x - Step 3: Cross multiply
385,859.58x = 578,986.97 × 183,684.50 - Step 4: Simplify right side
385,859.58x = 106,350,932,090.97 - Step 5: Solve for x
x = 106,350,932,090.97/385,859.58 - Step 6: Final answer
x = 275,620.82
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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.