Finding the Fourth Proportional to 237,879.28, 328,277.92 and 130,442.91
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Solution
The fourth proportional to 237,879.28, 328,277.92 and 130,442.91 is: 180,013.68
Step by Step Solution
- Step 1: Write the proportion equation
237,879.28 : 328,277.92 = 130,442.91 : x - Step 2: Convert to fraction form
237,879.28/328,277.92 = 130,442.91/x - Step 3: Cross multiply
237,879.28x = 328,277.92 × 130,442.91 - Step 4: Simplify right side
237,879.28x = 42,821,525,206.05 - Step 5: Solve for x
x = 42,821,525,206.05/237,879.28 - Step 6: Final answer
x = 180,013.68
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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.