Finding the Fourth Proportional to 272,965.14, 409,451.36 and 115,304.31
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Solution
The fourth proportional to 272,965.14, 409,451.36 and 115,304.31 is: 172,958.00
Step by Step Solution
- Step 1: Write the proportion equation
272,965.14 : 409,451.36 = 115,304.31 : x - Step 2: Convert to fraction form
272,965.14/409,451.36 = 115,304.31/x - Step 3: Cross multiply
272,965.14x = 409,451.36 × 115,304.31 - Step 4: Simplify right side
272,965.14x = 47,211,505,966.84 - Step 5: Solve for x
x = 47,211,505,966.84/272,965.14 - Step 6: Final answer
x = 172,958.00
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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.