Finding the Fourth Proportional to 306,206.99, 422,600.60 and 170,254.43
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Solution
The fourth proportional to 306,206.99, 422,600.60 and 170,254.43 is: 234,970.55
Step by Step Solution
- Step 1: Write the proportion equation
306,206.99 : 422,600.60 = 170,254.43 : x - Step 2: Convert to fraction form
306,206.99/422,600.60 = 170,254.43/x - Step 3: Cross multiply
306,206.99x = 422,600.60 × 170,254.43 - Step 4: Simplify right side
306,206.99x = 71,949,623,419.39 - Step 5: Solve for x
x = 71,949,623,419.39/306,206.99 - Step 6: Final answer
x = 234,970.55
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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.