Finding the Fourth Proportional to 135,077.70, 202,492.70 and 51,909.06
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Solution
The fourth proportional to 135,077.70, 202,492.70 and 51,909.06 is: 77,816.00
Step by Step Solution
- Step 1: Write the proportion equation
135,077.70 : 202,492.70 = 51,909.06 : x - Step 2: Convert to fraction form
135,077.70/202,492.70 = 51,909.06/x - Step 3: Cross multiply
135,077.70x = 202,492.70 × 51,909.06 - Step 4: Simplify right side
135,077.70x = 10,511,205,713.86 - Step 5: Solve for x
x = 10,511,205,713.86/135,077.70 - Step 6: Final answer
x = 77,816.00
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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.