Finding the Fourth Proportional to 211,233.87, 316,851.28 and 51,309.09
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Solution
The fourth proportional to 211,233.87, 316,851.28 and 51,309.09 is: 76,963.75
Step by Step Solution
- Step 1: Write the proportion equation
211,233.87 : 316,851.28 = 51,309.09 : x - Step 2: Convert to fraction form
211,233.87/316,851.28 = 51,309.09/x - Step 3: Cross multiply
211,233.87x = 316,851.28 × 51,309.09 - Step 4: Simplify right side
211,233.87x = 16,257,350,713.86 - Step 5: Solve for x
x = 16,257,350,713.86/211,233.87 - Step 6: Final answer
x = 76,963.75
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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.