Finding the Fourth Proportional to 140,584.92, 211,383.18 and 129,625.68
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Solution
The fourth proportional to 140,584.92, 211,383.18 and 129,625.68 is: 194,904.89
Step by Step Solution
- Step 1: Write the proportion equation
140,584.92 : 211,383.18 = 129,625.68 : x - Step 2: Convert to fraction form
140,584.92/211,383.18 = 129,625.68/x - Step 3: Cross multiply
140,584.92x = 211,383.18 × 129,625.68 - Step 4: Simplify right side
140,584.92x = 27,400,688,448.06 - Step 5: Solve for x
x = 27,400,688,448.06/140,584.92 - Step 6: Final answer
x = 194,904.89
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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.