Finding the Fourth Proportional to 263,317.08, 395,014.50 and 76,304.28
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Solution
The fourth proportional to 263,317.08, 395,014.50 and 76,304.28 is: 114,467.69
Step by Step Solution
- Step 1: Write the proportion equation
263,317.08 : 395,014.50 = 76,304.28 : x - Step 2: Convert to fraction form
263,317.08/395,014.50 = 76,304.28/x - Step 3: Cross multiply
263,317.08x = 395,014.50 × 76,304.28 - Step 4: Simplify right side
263,317.08x = 30,141,297,012.06 - Step 5: Solve for x
x = 30,141,297,012.06/263,317.08 - Step 6: Final answer
x = 114,467.69
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1.5x scale
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.