Finding the Fourth Proportional to 415,724.20, 622,664.70 and 166,277.80
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Solution
The fourth proportional to 415,724.20, 622,664.70 and 166,277.80 is: 249,048.09
Step by Step Solution
- Step 1: Write the proportion equation
415,724.20 : 622,664.70 = 166,277.80 : x - Step 2: Convert to fraction form
415,724.20/622,664.70 = 166,277.80/x - Step 3: Cross multiply
415,724.20x = 622,664.70 × 166,277.80 - Step 4: Simplify right side
415,724.20x = 103,535,316,453.66 - Step 5: Solve for x
x = 103,535,316,453.66/415,724.20 - Step 6: Final answer
x = 249,048.09
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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.