Finding the Fourth Proportional to 237,879.28, 328,273.84 and 130,450.08
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Solution
The fourth proportional to 237,879.28, 328,273.84 and 130,450.08 is: 180,021.35
Step by Step Solution
- Step 1: Write the proportion equation
237,879.28 : 328,273.84 = 130,450.08 : x - Step 2: Convert to fraction form
237,879.28/328,273.84 = 130,450.08/x - Step 3: Cross multiply
237,879.28x = 328,273.84 × 130,450.08 - Step 4: Simplify right side
237,879.28x = 42,823,348,689.91 - Step 5: Solve for x
x = 42,823,348,689.91/237,879.28 - Step 6: Final answer
x = 180,021.35
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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.