Finding the Fourth Proportional to 211,187.02, 316,884.61 and 98,874.84
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Solution
The fourth proportional to 211,187.02, 316,884.61 and 98,874.84 is: 148,360.99
Step by Step Solution
- Step 1: Write the proportion equation
211,187.02 : 316,884.61 = 98,874.84 : x - Step 2: Convert to fraction form
211,187.02/316,884.61 = 98,874.84/x - Step 3: Cross multiply
211,187.02x = 316,884.61 × 98,874.84 - Step 4: Simplify right side
211,187.02x = 31,331,915,112.21 - Step 5: Solve for x
x = 31,331,915,112.21/211,187.02 - Step 6: Final answer
x = 148,360.99
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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.