Finding the Fourth Proportional to 215,935.13, 323,902.73 and 110,686.97
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Solution
The fourth proportional to 215,935.13, 323,902.73 and 110,686.97 is: 166,030.48
Step by Step Solution
- Step 1: Write the proportion equation
215,935.13 : 323,902.73 = 110,686.97 : x - Step 2: Convert to fraction form
215,935.13/323,902.73 = 110,686.97/x - Step 3: Cross multiply
215,935.13x = 323,902.73 × 110,686.97 - Step 4: Simplify right side
215,935.13x = 35,851,812,844.90 - Step 5: Solve for x
x = 35,851,812,844.90/215,935.13 - Step 6: Final answer
x = 166,030.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.