Finding the Fourth Proportional to 438,549.80, 657,824.70 and 189,231.80
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Solution
The fourth proportional to 438,549.80, 657,824.70 and 189,231.80 is: 283,847.70
Step by Step Solution
- Step 1: Write the proportion equation
438,549.80 : 657,824.70 = 189,231.80 : x - Step 2: Convert to fraction form
438,549.80/657,824.70 = 189,231.80/x - Step 3: Cross multiply
438,549.80x = 657,824.70 × 189,231.80 - Step 4: Simplify right side
438,549.80x = 124,481,352,065.46 - Step 5: Solve for x
x = 124,481,352,065.46/438,549.80 - Step 6: Final answer
x = 283,847.70
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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.