Finding the Fourth Proportional to 306,310.01, 422,718.85 and 170,357.88
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Solution
The fourth proportional to 306,310.01, 422,718.85 and 170,357.88 is: 235,100.02
Step by Step Solution
- Step 1: Write the proportion equation
306,310.01 : 422,718.85 = 170,357.88 : x - Step 2: Convert to fraction form
306,310.01/422,718.85 = 170,357.88/x - Step 3: Cross multiply
306,310.01x = 422,718.85 × 170,357.88 - Step 4: Simplify right side
306,310.01x = 72,013,488,920.18 - Step 5: Solve for x
x = 72,013,488,920.18/306,310.01 - Step 6: Final answer
x = 235,100.02
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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.