Finding the Fourth Proportional to 309,528.08, 427,325.72 and 236,796.96
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Solution
The fourth proportional to 309,528.08, 427,325.72 and 236,796.96 is: 326,915.19
Step by Step Solution
- Step 1: Write the proportion equation
309,528.08 : 427,325.72 = 236,796.96 : x - Step 2: Convert to fraction form
309,528.08/427,325.72 = 236,796.96/x - Step 3: Cross multiply
309,528.08x = 427,325.72 × 236,796.96 - Step 4: Simplify right side
309,528.08x = 101,189,430,241.83 - Step 5: Solve for x
x = 101,189,430,241.83/309,528.08 - Step 6: Final answer
x = 326,915.19
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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.