Finding the Fourth Proportional to 451,312.21, 622,818.21 and 247,382.70
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Solution
The fourth proportional to 451,312.21, 622,818.21 and 247,382.70 is: 341,392.16
Step by Step Solution
- Step 1: Write the proportion equation
451,312.21 : 622,818.21 = 247,382.70 : x - Step 2: Convert to fraction form
451,312.21/622,818.21 = 247,382.70/x - Step 3: Cross multiply
451,312.21x = 622,818.21 × 247,382.70 - Step 4: Simplify right side
451,312.21x = 154,074,450,398.97 - Step 5: Solve for x
x = 154,074,450,398.97/451,312.21 - Step 6: Final answer
x = 341,392.16
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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.