Finding the Fourth Proportional to 261,553.50, 391,773.42 and 197,669.88
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Solution
The fourth proportional to 261,553.50, 391,773.42 and 197,669.88 is: 296,083.99
Step by Step Solution
- Step 1: Write the proportion equation
261,553.50 : 391,773.42 = 197,669.88 : x - Step 2: Convert to fraction form
261,553.50/391,773.42 = 197,669.88/x - Step 3: Cross multiply
261,553.50x = 391,773.42 × 197,669.88 - Step 4: Simplify right side
261,553.50x = 77,441,804,918.59 - Step 5: Solve for x
x = 77,441,804,918.59/261,553.50 - Step 6: Final answer
x = 296,083.99
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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.