Finding the Fourth Proportional to 373,431.24, 515,332.76 and 212,286.30
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Solution
The fourth proportional to 373,431.24, 515,332.76 and 212,286.30 is: 292,953.76
Step by Step Solution
- Step 1: Write the proportion equation
373,431.24 : 515,332.76 = 212,286.30 : x - Step 2: Convert to fraction form
373,431.24/515,332.76 = 212,286.30/x - Step 3: Cross multiply
373,431.24x = 515,332.76 × 212,286.30 - Step 4: Simplify right side
373,431.24x = 109,398,084,889.19 - Step 5: Solve for x
x = 109,398,084,889.19/373,431.24 - Step 6: Final answer
x = 292,953.76
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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.