Finding the Fourth Proportional to 306,284.07, 422,635.28 and 170,283.87
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Solution
The fourth proportional to 306,284.07, 422,635.28 and 170,283.87 is: 234,971.31
Step by Step Solution
- Step 1: Write the proportion equation
306,284.07 : 422,635.28 = 170,283.87 : x - Step 2: Convert to fraction form
306,284.07/422,635.28 = 170,283.87/x - Step 3: Cross multiply
306,284.07x = 422,635.28 × 170,283.87 - Step 4: Simplify right side
306,284.07x = 71,967,970,225.51 - Step 5: Solve for x
x = 71,967,970,225.51/306,284.07 - Step 6: Final answer
x = 234,971.31
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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.