Finding the Fourth Proportional to 437,551.20, 656,326.80 and 259,966.80
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Solution
The fourth proportional to 437,551.20, 656,326.80 and 259,966.80 is: 389,950.20
Step by Step Solution
- Step 1: Write the proportion equation
437,551.20 : 656,326.80 = 259,966.80 : x - Step 2: Convert to fraction form
437,551.20/656,326.80 = 259,966.80/x - Step 3: Cross multiply
437,551.20x = 656,326.80 × 259,966.80 - Step 4: Simplify right side
437,551.20x = 170,623,177,950.24 - Step 5: Solve for x
x = 170,623,177,950.24/437,551.20 - Step 6: Final answer
x = 389,950.20
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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.