Finding the Fourth Proportional to 306,059.04, 422,352.88 and 170,089.44
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Solution
The fourth proportional to 306,059.04, 422,352.88 and 170,089.44 is: 234,718.65
Step by Step Solution
- Step 1: Write the proportion equation
306,059.04 : 422,352.88 = 170,089.44 : x - Step 2: Convert to fraction form
306,059.04/422,352.88 = 170,089.44/x - Step 3: Cross multiply
306,059.04x = 422,352.88 × 170,089.44 - Step 4: Simplify right side
306,059.04x = 71,837,764,841.59 - Step 5: Solve for x
x = 71,837,764,841.59/306,059.04 - Step 6: Final answer
x = 234,718.65
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1.5x scale
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.