Finding the Fourth Proportional to 198,042.12, 297,058.24 and 57,801.96
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Solution
The fourth proportional to 198,042.12, 297,058.24 and 57,801.96 is: 86,701.50
Step by Step Solution
- Step 1: Write the proportion equation
198,042.12 : 297,058.24 = 57,801.96 : x - Step 2: Convert to fraction form
198,042.12/297,058.24 = 57,801.96/x - Step 3: Cross multiply
198,042.12x = 297,058.24 × 57,801.96 - Step 4: Simplify right side
198,042.12x = 17,170,548,506.15 - Step 5: Solve for x
x = 17,170,548,506.15/198,042.12 - Step 6: Final answer
x = 86,701.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.