Finding the Fourth Proportional to 211,260.44, 316,677.42 and 132,430.02
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Solution
The fourth proportional to 211,260.44, 316,677.42 and 132,430.02 is: 198,511.36
Step by Step Solution
- Step 1: Write the proportion equation
211,260.44 : 316,677.42 = 132,430.02 : x - Step 2: Convert to fraction form
211,260.44/316,677.42 = 132,430.02/x - Step 3: Cross multiply
211,260.44x = 316,677.42 × 132,430.02 - Step 4: Simplify right side
211,260.44x = 41,937,597,064.15 - Step 5: Solve for x
x = 41,937,597,064.15/211,260.44 - Step 6: Final answer
x = 198,511.36
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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.