Finding the Fourth Proportional to 396,536.00, 547,204.86 and 215,244.05
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Solution
The fourth proportional to 396,536.00, 547,204.86 and 215,244.05 is: 297,028.74
Step by Step Solution
- Step 1: Write the proportion equation
396,536.00 : 547,204.86 = 215,244.05 : x - Step 2: Convert to fraction form
396,536.00/547,204.86 = 215,244.05/x - Step 3: Cross multiply
396,536.00x = 547,204.86 × 215,244.05 - Step 4: Simplify right side
396,536.00x = 117,782,587,510.06 - Step 5: Solve for x
x = 117,782,587,510.06/396,536.00 - Step 6: Final answer
x = 297,028.74
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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.