Finding the Fourth Proportional to 306,052.74, 422,344.28 and 170,083.20
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Solution
The fourth proportional to 306,052.74, 422,344.28 and 170,083.20 is: 234,710.09
Step by Step Solution
- Step 1: Write the proportion equation
306,052.74 : 422,344.28 = 170,083.20 : x - Step 2: Convert to fraction form
306,052.74/422,344.28 = 170,083.20/x - Step 3: Cross multiply
306,052.74x = 422,344.28 × 170,083.20 - Step 4: Simplify right side
306,052.74x = 71,833,666,644.10 - Step 5: Solve for x
x = 71,833,666,644.10/306,052.74 - Step 6: Final answer
x = 234,710.09
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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.