Finding the Fourth Proportional to 287,750.88, 431,750.67 and 154,475.49
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Solution
The fourth proportional to 287,750.88, 431,750.67 and 154,475.49 is: 231,779.99
Step by Step Solution
- Step 1: Write the proportion equation
287,750.88 : 431,750.67 = 154,475.49 : x - Step 2: Convert to fraction form
287,750.88/431,750.67 = 154,475.49/x - Step 3: Cross multiply
287,750.88x = 431,750.67 × 154,475.49 - Step 4: Simplify right side
287,750.88x = 66,694,896,306.08 - Step 5: Solve for x
x = 66,694,896,306.08/287,750.88 - Step 6: Final answer
x = 231,779.99
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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.