Finding the Fourth Proportional to 306,497.54, 422,968.68 and 170,537.21
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Solution
The fourth proportional to 306,497.54, 422,968.68 and 170,537.21 is: 235,342.50
Step by Step Solution
- Step 1: Write the proportion equation
306,497.54 : 422,968.68 = 170,537.21 : x - Step 2: Convert to fraction form
306,497.54/422,968.68 = 170,537.21/x - Step 3: Cross multiply
306,497.54x = 422,968.68 × 170,537.21 - Step 4: Simplify right side
306,497.54x = 72,131,896,489.74 - Step 5: Solve for x
x = 72,131,896,489.74/306,497.54 - Step 6: Final answer
x = 235,342.50
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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.