Finding the Fourth Proportional to 150,797.28, 208,092.09 and 86,267.79
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Solution
The fourth proportional to 150,797.28, 208,092.09 and 86,267.79 is: 119,044.88
Step by Step Solution
- Step 1: Write the proportion equation
150,797.28 : 208,092.09 = 86,267.79 : x - Step 2: Convert to fraction form
150,797.28/208,092.09 = 86,267.79/x - Step 3: Cross multiply
150,797.28x = 208,092.09 × 86,267.79 - Step 4: Simplify right side
150,797.28x = 17,951,644,720.78 - Step 5: Solve for x
x = 17,951,644,720.78/150,797.28 - Step 6: Final answer
x = 119,044.88
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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.