Finding the Fourth Proportional to 370,516.41, 556,518.60 and 221,048.33
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Solution
The fourth proportional to 370,516.41, 556,518.60 and 221,048.33 is: 332,016.35
Step by Step Solution
- Step 1: Write the proportion equation
370,516.41 : 556,518.60 = 221,048.33 : x - Step 2: Convert to fraction form
370,516.41/556,518.60 = 221,048.33/x - Step 3: Cross multiply
370,516.41x = 556,518.60 × 221,048.33 - Step 4: Simplify right side
370,516.41x = 123,017,504,361.35 - Step 5: Solve for x
x = 123,017,504,361.35/370,516.41 - Step 6: Final answer
x = 332,016.35
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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.