Finding the Fourth Proportional to 459,213.67, 633,660.73 and 272,916.13
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Solution
The fourth proportional to 459,213.67, 633,660.73 and 272,916.13 is: 376,592.09
Step by Step Solution
- Step 1: Write the proportion equation
459,213.67 : 633,660.73 = 272,916.13 : x - Step 2: Convert to fraction form
459,213.67/633,660.73 = 272,916.13/x - Step 3: Cross multiply
459,213.67x = 633,660.73 × 272,916.13 - Step 4: Simplify right side
459,213.67x = 172,936,234,164.58 - Step 5: Solve for x
x = 172,936,234,164.58/459,213.67 - Step 6: Final answer
x = 376,592.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.