Finding the Fourth Proportional to 135,866.97, 203,722.70 and 56,914.65
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Solution
The fourth proportional to 135,866.97, 203,722.70 and 56,914.65 is: 85,339.40
Step by Step Solution
- Step 1: Write the proportion equation
135,866.97 : 203,722.70 = 56,914.65 : x - Step 2: Convert to fraction form
135,866.97/203,722.70 = 56,914.65/x - Step 3: Cross multiply
135,866.97x = 203,722.70 × 56,914.65 - Step 4: Simplify right side
135,866.97x = 11,594,805,882.98 - Step 5: Solve for x
x = 11,594,805,882.98/135,866.97 - Step 6: Final answer
x = 85,339.40
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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.