Finding the Fourth Proportional to 289,304.50, 433,746.56 and 120,872.99
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Solution
The fourth proportional to 289,304.50, 433,746.56 and 120,872.99 is: 181,221.67
Step by Step Solution
- Step 1: Write the proportion equation
289,304.50 : 433,746.56 = 120,872.99 : x - Step 2: Convert to fraction form
289,304.50/433,746.56 = 120,872.99/x - Step 3: Cross multiply
289,304.50x = 433,746.56 × 120,872.99 - Step 4: Simplify right side
289,304.50x = 52,428,244,316.05 - Step 5: Solve for x
x = 52,428,244,316.05/289,304.50 - Step 6: Final answer
x = 181,221.67
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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.