Finding the Fourth Proportional to 186,759.05, 257,727.18 and 101,876.12
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Solution
The fourth proportional to 186,759.05, 257,727.18 and 101,876.12 is: 140,588.87
Step by Step Solution
- Step 1: Write the proportion equation
186,759.05 : 257,727.18 = 101,876.12 : x - Step 2: Convert to fraction form
186,759.05/257,727.18 = 101,876.12/x - Step 3: Cross multiply
186,759.05x = 257,727.18 × 101,876.12 - Step 4: Simplify right side
186,759.05x = 26,256,243,828.31 - Step 5: Solve for x
x = 26,256,243,828.31/186,759.05 - Step 6: Final answer
x = 140,588.87
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.