Finding the Fourth Proportional to 402,958.26, 556,083.68 and 221,684.00
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Solution
The fourth proportional to 402,958.26, 556,083.68 and 221,684.00 is: 305,924.62
Step by Step Solution
- Step 1: Write the proportion equation
402,958.26 : 556,083.68 = 221,684.00 : x - Step 2: Convert to fraction form
402,958.26/556,083.68 = 221,684.00/x - Step 3: Cross multiply
402,958.26x = 556,083.68 × 221,684.00 - Step 4: Simplify right side
402,958.26x = 123,274,850,628.28 - Step 5: Solve for x
x = 123,274,850,628.28/402,958.26 - Step 6: Final answer
x = 305,924.62
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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.