Finding the Fourth Proportional to 301,482.96, 449,934.76 and 289,276.44
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Solution
The fourth proportional to 301,482.96, 449,934.76 and 289,276.44 is: 431,717.69
Step by Step Solution
- Step 1: Write the proportion equation
301,482.96 : 449,934.76 = 289,276.44 : x - Step 2: Convert to fraction form
301,482.96/449,934.76 = 289,276.44/x - Step 3: Cross multiply
301,482.96x = 449,934.76 × 289,276.44 - Step 4: Simplify right side
301,482.96x = 130,155,525,605.05 - Step 5: Solve for x
x = 130,155,525,605.05/301,482.96 - Step 6: Final answer
x = 431,717.69
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.