Finding the Fourth Proportional to 150,147.24, 207,278.12 and 86,472.74
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Solution
The fourth proportional to 150,147.24, 207,278.12 and 86,472.74 is: 119,375.53
Step by Step Solution
- Step 1: Write the proportion equation
150,147.24 : 207,278.12 = 86,472.74 : x - Step 2: Convert to fraction form
150,147.24/207,278.12 = 86,472.74/x - Step 3: Cross multiply
150,147.24x = 207,278.12 × 86,472.74 - Step 4: Simplify right side
150,147.24x = 17,923,906,978.45 - Step 5: Solve for x
x = 17,923,906,978.45/150,147.24 - Step 6: Final answer
x = 119,375.53
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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.