Finding the Fourth Proportional to 306,483.29, 422,910.19 and 170,482.87
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Solution
The fourth proportional to 306,483.29, 422,910.19 and 170,482.87 is: 235,245.92
Step by Step Solution
- Step 1: Write the proportion equation
306,483.29 : 422,910.19 = 170,482.87 : x - Step 2: Convert to fraction form
306,483.29/422,910.19 = 170,482.87/x - Step 3: Cross multiply
306,483.29x = 422,910.19 × 170,482.87 - Step 4: Simplify right side
306,483.29x = 72,098,943,685.19 - Step 5: Solve for x
x = 72,098,943,685.19/306,483.29 - Step 6: Final answer
x = 235,245.92
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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.