Finding the Fourth Proportional to 133,755.78, 200,883.42 and 117,750.99
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Solution
The fourth proportional to 133,755.78, 200,883.42 and 117,750.99 is: 176,846.35
Step by Step Solution
- Step 1: Write the proportion equation
133,755.78 : 200,883.42 = 117,750.99 : x - Step 2: Convert to fraction form
133,755.78/200,883.42 = 117,750.99/x - Step 3: Cross multiply
133,755.78x = 200,883.42 × 117,750.99 - Step 4: Simplify right side
133,755.78x = 23,654,221,579.59 - Step 5: Solve for x
x = 23,654,221,579.59/133,755.78 - Step 6: Final answer
x = 176,846.35
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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.