Finding the Fourth Proportional to 171,903.64, 257,908.25 and 82,060.99
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Solution
The fourth proportional to 171,903.64, 257,908.25 and 82,060.99 is: 123,116.69
Step by Step Solution
- Step 1: Write the proportion equation
171,903.64 : 257,908.25 = 82,060.99 : x - Step 2: Convert to fraction form
171,903.64/257,908.25 = 82,060.99/x - Step 3: Cross multiply
171,903.64x = 257,908.25 × 82,060.99 - Step 4: Simplify right side
171,903.64x = 21,164,206,324.17 - Step 5: Solve for x
x = 21,164,206,324.17/171,903.64 - Step 6: Final answer
x = 123,116.69
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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.