Finding the Fourth Proportional to 459,212.67, 633,659.36 and 272,915.13
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Solution
The fourth proportional to 459,212.67, 633,659.36 and 272,915.13 is: 376,590.71
Step by Step Solution
- Step 1: Write the proportion equation
459,212.67 : 633,659.36 = 272,915.13 : x - Step 2: Convert to fraction form
459,212.67/633,659.36 = 272,915.13/x - Step 3: Cross multiply
459,212.67x = 633,659.36 × 272,915.13 - Step 4: Simplify right side
459,212.67x = 172,935,225,245.54 - Step 5: Solve for x
x = 172,935,225,245.54/459,212.67 - Step 6: Final answer
x = 376,590.71
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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.