Finding the Fourth Proportional to 197,825.97, 272,983.67 and 116,145.62
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Solution
The fourth proportional to 197,825.97, 272,983.67 and 116,145.62 is: 160,271.45
Step by Step Solution
- Step 1: Write the proportion equation
197,825.97 : 272,983.67 = 116,145.62 : x - Step 2: Convert to fraction form
197,825.97/272,983.67 = 116,145.62/x - Step 3: Cross multiply
197,825.97x = 272,983.67 × 116,145.62 - Step 4: Simplify right side
197,825.97x = 31,705,855,656.38 - Step 5: Solve for x
x = 31,705,855,656.38/197,825.97 - Step 6: Final answer
x = 160,271.45
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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.