Finding the Fourth Proportional to 217,860.66, 326,651.13 and 84,598.92
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Solution
The fourth proportional to 217,860.66, 326,651.13 and 84,598.92 is: 126,844.07
Step by Step Solution
- Step 1: Write the proportion equation
217,860.66 : 326,651.13 = 84,598.92 : x - Step 2: Convert to fraction form
217,860.66/326,651.13 = 84,598.92/x - Step 3: Cross multiply
217,860.66x = 326,651.13 × 84,598.92 - Step 4: Simplify right side
217,860.66x = 27,634,332,814.78 - Step 5: Solve for x
x = 27,634,332,814.78/217,860.66 - Step 6: Final answer
x = 126,844.07
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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.