Finding the Fourth Proportional to 284,192.68, 392,183.76 and 156,868.24
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Solution
The fourth proportional to 284,192.68, 392,183.76 and 156,868.24 is: 216,476.99
Step by Step Solution
- Step 1: Write the proportion equation
284,192.68 : 392,183.76 = 156,868.24 : x - Step 2: Convert to fraction form
284,192.68/392,183.76 = 156,868.24/x - Step 3: Cross multiply
284,192.68x = 392,183.76 × 156,868.24 - Step 4: Simplify right side
284,192.68x = 61,521,176,187.78 - Step 5: Solve for x
x = 61,521,176,187.78/284,192.68 - Step 6: Final answer
x = 216,476.99
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1.5x scale
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.