Finding the Fourth Proportional to 201,483.45, 277,996.86 and 129,777.19
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Solution
The fourth proportional to 201,483.45, 277,996.86 and 129,777.19 is: 179,060.12
Step by Step Solution
- Step 1: Write the proportion equation
201,483.45 : 277,996.86 = 129,777.19 : x - Step 2: Convert to fraction form
201,483.45/277,996.86 = 129,777.19/x - Step 3: Cross multiply
201,483.45x = 277,996.86 × 129,777.19 - Step 4: Simplify right side
201,483.45x = 36,077,650,624.63 - Step 5: Solve for x
x = 36,077,650,624.63/201,483.45 - Step 6: Final answer
x = 179,060.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.