Finding the Fourth Proportional to 306,266.08, 422,411.68 and 271,846.40
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Solution
The fourth proportional to 306,266.08, 422,411.68 and 271,846.40 is: 374,938.99
Step by Step Solution
- Step 1: Write the proportion equation
306,266.08 : 422,411.68 = 271,846.40 : x - Step 2: Convert to fraction form
306,266.08/422,411.68 = 271,846.40/x - Step 3: Cross multiply
306,266.08x = 422,411.68 × 271,846.40 - Step 4: Simplify right side
306,266.08x = 114,831,094,525.95 - Step 5: Solve for x
x = 114,831,094,525.95/306,266.08 - Step 6: Final answer
x = 374,938.99
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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.