Finding the Fourth Proportional to 275,563.71, 413,448.84 and 187,646.31
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Solution
The fourth proportional to 275,563.71, 413,448.84 and 187,646.31 is: 281,539.79
Step by Step Solution
- Step 1: Write the proportion equation
275,563.71 : 413,448.84 = 187,646.31 : x - Step 2: Convert to fraction form
275,563.71/413,448.84 = 187,646.31/x - Step 3: Cross multiply
275,563.71x = 413,448.84 × 187,646.31 - Step 4: Simplify right side
275,563.71x = 77,582,149,199.78 - Step 5: Solve for x
x = 77,582,149,199.78/275,563.71 - Step 6: Final answer
x = 281,539.79
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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.