Finding the Fourth Proportional to 150,468.24, 207,668.24 and 86,793.60
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Solution
The fourth proportional to 150,468.24, 207,668.24 and 86,793.60 is: 119,787.90
Step by Step Solution
- Step 1: Write the proportion equation
150,468.24 : 207,668.24 = 86,793.60 : x - Step 2: Convert to fraction form
150,468.24/207,668.24 = 86,793.60/x - Step 3: Cross multiply
150,468.24x = 207,668.24 × 86,793.60 - Step 4: Simplify right side
150,468.24x = 18,024,274,155.26 - Step 5: Solve for x
x = 18,024,274,155.26/150,468.24 - Step 6: Final answer
x = 119,787.90
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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.