Finding the Fourth Proportional to 263,534.21, 395,159.13 and 136,861.95
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Solution
The fourth proportional to 263,534.21, 395,159.13 and 136,861.95 is: 205,219.09
Step by Step Solution
- Step 1: Write the proportion equation
263,534.21 : 395,159.13 = 136,861.95 : x - Step 2: Convert to fraction form
263,534.21/395,159.13 = 136,861.95/x - Step 3: Cross multiply
263,534.21x = 395,159.13 × 136,861.95 - Step 4: Simplify right side
263,534.21x = 54,082,249,092.10 - Step 5: Solve for x
x = 54,082,249,092.10/263,534.21 - Step 6: Final answer
x = 205,219.09
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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.