Finding the Fourth Proportional to 304,112.01, 419,656.61 and 168,135.28
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Solution
The fourth proportional to 304,112.01, 419,656.61 and 168,135.28 is: 232,016.75
Step by Step Solution
- Step 1: Write the proportion equation
304,112.01 : 419,656.61 = 168,135.28 : x - Step 2: Convert to fraction form
304,112.01/419,656.61 = 168,135.28/x - Step 3: Cross multiply
304,112.01x = 419,656.61 × 168,135.28 - Step 4: Simplify right side
304,112.01x = 70,559,081,626.20 - Step 5: Solve for x
x = 70,559,081,626.20/304,112.01 - Step 6: Final answer
x = 232,016.75
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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.