Finding the Fourth Proportional to 341,274.38, 471,129.14 and 212,254.44
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Solution
The fourth proportional to 341,274.38, 471,129.14 and 212,254.44 is: 293,017.17
Step by Step Solution
- Step 1: Write the proportion equation
341,274.38 : 471,129.14 = 212,254.44 : x - Step 2: Convert to fraction form
341,274.38/471,129.14 = 212,254.44/x - Step 3: Cross multiply
341,274.38x = 471,129.14 × 212,254.44 - Step 4: Simplify right side
341,274.38x = 99,999,252,309.02 - Step 5: Solve for x
x = 99,999,252,309.02/341,274.38 - Step 6: Final answer
x = 293,017.17
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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.