Finding the Fourth Proportional to 408,960.21, 564,837.45 and 272,757.48
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Solution
The fourth proportional to 408,960.21, 564,837.45 and 272,757.48 is: 376,720.36
Step by Step Solution
- Step 1: Write the proportion equation
408,960.21 : 564,837.45 = 272,757.48 : x - Step 2: Convert to fraction form
408,960.21/564,837.45 = 272,757.48/x - Step 3: Cross multiply
408,960.21x = 564,837.45 × 272,757.48 - Step 4: Simplify right side
408,960.21x = 154,063,639,471.63 - Step 5: Solve for x
x = 154,063,639,471.63/408,960.21 - Step 6: Final answer
x = 376,720.36
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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.