Finding the Fourth Proportional to 373,446.17, 515,353.28 and 212,301.26
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Solution
The fourth proportional to 373,446.17, 515,353.28 and 212,301.26 is: 292,974.35
Step by Step Solution
- Step 1: Write the proportion equation
373,446.17 : 515,353.28 = 212,301.26 : x - Step 2: Convert to fraction form
373,446.17/515,353.28 = 212,301.26/x - Step 3: Cross multiply
373,446.17x = 515,353.28 × 212,301.26 - Step 4: Simplify right side
373,446.17x = 109,410,150,689.13 - Step 5: Solve for x
x = 109,410,150,689.13/373,446.17 - Step 6: Final answer
x = 292,974.35
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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.