Finding the Fourth Proportional to 198,175.14, 297,507.74 and 187,712.44
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Solution
The fourth proportional to 198,175.14, 297,507.74 and 187,712.44 is: 281,800.75
Step by Step Solution
- Step 1: Write the proportion equation
198,175.14 : 297,507.74 = 187,712.44 : x - Step 2: Convert to fraction form
198,175.14/297,507.74 = 187,712.44/x - Step 3: Cross multiply
198,175.14x = 297,507.74 × 187,712.44 - Step 4: Simplify right side
198,175.14x = 55,845,902,111.95 - Step 5: Solve for x
x = 55,845,902,111.95/198,175.14 - Step 6: Final answer
x = 281,800.75
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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.