Finding the Fourth Proportional to 117,509.30, 176,589.28 and 114,660.74
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Solution
The fourth proportional to 117,509.30, 176,589.28 and 114,660.74 is: 172,308.55
Step by Step Solution
- Step 1: Write the proportion equation
117,509.30 : 176,589.28 = 114,660.74 : x - Step 2: Convert to fraction form
117,509.30/176,589.28 = 114,660.74/x - Step 3: Cross multiply
117,509.30x = 176,589.28 × 114,660.74 - Step 4: Simplify right side
117,509.30x = 20,247,857,520.87 - Step 5: Solve for x
x = 20,247,857,520.87/117,509.30 - Step 6: Final answer
x = 172,308.55
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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.