Finding the Fourth Proportional to 351,479.10, 527,218.65 and 161,939.10
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Solution
The fourth proportional to 351,479.10, 527,218.65 and 161,939.10 is: 242,908.65
Step by Step Solution
- Step 1: Write the proportion equation
351,479.10 : 527,218.65 = 161,939.10 : x - Step 2: Convert to fraction form
351,479.10/527,218.65 = 161,939.10/x - Step 3: Cross multiply
351,479.10x = 527,218.65 × 161,939.10 - Step 4: Simplify right side
351,479.10x = 85,377,313,684.22 - Step 5: Solve for x
x = 85,377,313,684.22/351,479.10 - Step 6: Final answer
x = 242,908.65
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1.5x scale
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.