Finding the Fourth Proportional to 414,995.80, 622,505.76 and 162,266.08
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Solution
The fourth proportional to 414,995.80, 622,505.76 and 162,266.08 is: 243,403.84
Step by Step Solution
- Step 1: Write the proportion equation
414,995.80 : 622,505.76 = 162,266.08 : x - Step 2: Convert to fraction form
414,995.80/622,505.76 = 162,266.08/x - Step 3: Cross multiply
414,995.80x = 622,505.76 × 162,266.08 - Step 4: Simplify right side
414,995.80x = 101,011,569,452.62 - Step 5: Solve for x
x = 101,011,569,452.62/414,995.80 - Step 6: Final answer
x = 243,403.84
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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.