Finding the Fourth Proportional to 140,565.92, 211,354.68 and 129,606.68
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Solution
The fourth proportional to 140,565.92, 211,354.68 and 129,606.68 is: 194,876.39
Step by Step Solution
- Step 1: Write the proportion equation
140,565.92 : 211,354.68 = 129,606.68 : x - Step 2: Convert to fraction form
140,565.92/211,354.68 = 129,606.68/x - Step 3: Cross multiply
140,565.92x = 211,354.68 × 129,606.68 - Step 4: Simplify right side
140,565.92x = 27,392,978,377.26 - Step 5: Solve for x
x = 27,392,978,377.26/140,565.92 - Step 6: Final answer
x = 194,876.39
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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.