Finding the Fourth Proportional to 237,828.92, 328,201.40 and 130,398.68
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Solution
The fourth proportional to 237,828.92, 328,201.40 and 130,398.68 is: 179,948.81
Step by Step Solution
- Step 1: Write the proportion equation
237,828.92 : 328,201.40 = 130,398.68 : x - Step 2: Convert to fraction form
237,828.92/328,201.40 = 130,398.68/x - Step 3: Cross multiply
237,828.92x = 328,201.40 × 130,398.68 - Step 4: Simplify right side
237,828.92x = 42,797,030,480.65 - Step 5: Solve for x
x = 42,797,030,480.65/237,828.92 - Step 6: Final answer
x = 179,948.81
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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.