Finding the Fourth Proportional to 143,097.92, 214,559.36 and 68,240.96
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Solution
The fourth proportional to 143,097.92, 214,559.36 and 68,240.96 is: 102,319.70
Step by Step Solution
- Step 1: Write the proportion equation
143,097.92 : 214,559.36 = 68,240.96 : x - Step 2: Convert to fraction form
143,097.92/214,559.36 = 68,240.96/x - Step 3: Cross multiply
143,097.92x = 214,559.36 × 68,240.96 - Step 4: Simplify right side
143,097.92x = 14,641,736,703.39 - Step 5: Solve for x
x = 14,641,736,703.39/143,097.92 - Step 6: Final answer
x = 102,319.70
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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.