Finding the Fourth Proportional to 263,533.21, 395,157.63 and 136,860.95
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Solution
The fourth proportional to 263,533.21, 395,157.63 and 136,860.95 is: 205,217.59
Step by Step Solution
- Step 1: Write the proportion equation
263,533.21 : 395,157.63 = 136,860.95 : x - Step 2: Convert to fraction form
263,533.21/395,157.63 = 136,860.95/x - Step 3: Cross multiply
263,533.21x = 395,157.63 × 136,860.95 - Step 4: Simplify right side
263,533.21x = 54,081,648,641.55 - Step 5: Solve for x
x = 54,081,648,641.55/263,533.21 - Step 6: Final answer
x = 205,217.59
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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.