Finding the Fourth Proportional to 373,284.43, 515,110.30 and 212,117.11
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Solution
The fourth proportional to 373,284.43, 515,110.30 and 212,117.11 is: 292,708.99
Step by Step Solution
- Step 1: Write the proportion equation
373,284.43 : 515,110.30 = 212,117.11 : x - Step 2: Convert to fraction form
373,284.43/515,110.30 = 212,117.11/x - Step 3: Cross multiply
373,284.43x = 515,110.30 × 212,117.11 - Step 4: Simplify right side
373,284.43x = 109,263,708,167.23 - Step 5: Solve for x
x = 109,263,708,167.23/373,284.43 - Step 6: Final answer
x = 292,708.99
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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.