Finding the Fourth Proportional to 281,760.10, 388,868.79 and 174,364.75
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Solution
The fourth proportional to 281,760.10, 388,868.79 and 174,364.75 is: 240,648.02
Step by Step Solution
- Step 1: Write the proportion equation
281,760.10 : 388,868.79 = 174,364.75 : x - Step 2: Convert to fraction form
281,760.10/388,868.79 = 174,364.75/x - Step 3: Cross multiply
281,760.10x = 388,868.79 × 174,364.75 - Step 4: Simplify right side
281,760.10x = 67,805,009,351.15 - Step 5: Solve for x
x = 67,805,009,351.15/281,760.10 - Step 6: Final answer
x = 240,648.02
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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.