Finding the Fourth Proportional to 218,491.50, 301,447.90 and 132,484.99
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Solution
The fourth proportional to 218,491.50, 301,447.90 and 132,484.99 is: 182,786.62
Step by Step Solution
- Step 1: Write the proportion equation
218,491.50 : 301,447.90 = 132,484.99 : x - Step 2: Convert to fraction form
218,491.50/301,447.90 = 132,484.99/x - Step 3: Cross multiply
218,491.50x = 301,447.90 × 132,484.99 - Step 4: Simplify right side
218,491.50x = 39,937,322,017.02 - Step 5: Solve for x
x = 39,937,322,017.02/218,491.50 - Step 6: Final answer
x = 182,786.62
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.