Finding the Fourth Proportional to 622,944.20, 934,853.70 and 268,212.80
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Solution
The fourth proportional to 622,944.20, 934,853.70 and 268,212.80 is: 402,507.53
Step by Step Solution
- Step 1: Write the proportion equation
622,944.20 : 934,853.70 = 268,212.80 : x - Step 2: Convert to fraction form
622,944.20/934,853.70 = 268,212.80/x - Step 3: Cross multiply
622,944.20x = 934,853.70 × 268,212.80 - Step 4: Simplify right side
622,944.20x = 250,739,728,467.36 - Step 5: Solve for x
x = 250,739,728,467.36/622,944.20 - Step 6: Final answer
x = 402,507.53
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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.