Finding the Fourth Proportional to 72,199.14, 108,317.16 and 27,813.99
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Solution
The fourth proportional to 72,199.14, 108,317.16 and 27,813.99 is: 41,728.09
Step by Step Solution
- Step 1: Write the proportion equation
72,199.14 : 108,317.16 = 27,813.99 : x - Step 2: Convert to fraction form
72,199.14/108,317.16 = 27,813.99/x - Step 3: Cross multiply
72,199.14x = 108,317.16 × 27,813.99 - Step 4: Simplify right side
72,199.14x = 3,012,732,405.07 - Step 5: Solve for x
x = 3,012,732,405.07/72,199.14 - Step 6: Final answer
x = 41,728.09
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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.