Finding the Fourth Proportional to 507,687.80, 761,569.97 and 170,729.42
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Solution
The fourth proportional to 507,687.80, 761,569.97 and 170,729.42 is: 256,106.99
Step by Step Solution
- Step 1: Write the proportion equation
507,687.80 : 761,569.97 = 170,729.42 : x - Step 2: Convert to fraction form
507,687.80/761,569.97 = 170,729.42/x - Step 3: Cross multiply
507,687.80x = 761,569.97 × 170,729.42 - Step 4: Simplify right side
507,687.80x = 130,022,394,606.02 - Step 5: Solve for x
x = 130,022,394,606.02/507,687.80 - Step 6: Final answer
x = 256,106.99
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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.