Finding the Fourth Proportional to 245,208.96, 338,543.28 and 160,469.28
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Solution
The fourth proportional to 245,208.96, 338,543.28 and 160,469.28 is: 221,548.99
Step by Step Solution
- Step 1: Write the proportion equation
245,208.96 : 338,543.28 = 160,469.28 : x - Step 2: Convert to fraction form
245,208.96/338,543.28 = 160,469.28/x - Step 3: Cross multiply
245,208.96x = 338,543.28 × 160,469.28 - Step 4: Simplify right side
245,208.96x = 54,325,796,390.44 - Step 5: Solve for x
x = 54,325,796,390.44/245,208.96 - Step 6: Final answer
x = 221,548.99
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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.