Finding the Fourth Proportional to 172,780.26, 259,960.95 and 102,712.02
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Solution
The fourth proportional to 172,780.26, 259,960.95 and 102,712.02 is: 154,537.99
Step by Step Solution
- Step 1: Write the proportion equation
172,780.26 : 259,960.95 = 102,712.02 : x - Step 2: Convert to fraction form
172,780.26/259,960.95 = 102,712.02/x - Step 3: Cross multiply
172,780.26x = 259,960.95 × 102,712.02 - Step 4: Simplify right side
172,780.26x = 26,701,114,295.62 - Step 5: Solve for x
x = 26,701,114,295.62/172,780.26 - Step 6: Final answer
x = 154,537.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.