Finding the Fourth Proportional to 201,145.36, 301,981.72 and 134,881.99
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Solution
The fourth proportional to 201,145.36, 301,981.72 and 134,881.99 is: 202,499.80
Step by Step Solution
- Step 1: Write the proportion equation
201,145.36 : 301,981.72 = 134,881.99 : x - Step 2: Convert to fraction form
201,145.36/301,981.72 = 134,881.99/x - Step 3: Cross multiply
201,145.36x = 301,981.72 × 134,881.99 - Step 4: Simplify right side
201,145.36x = 40,731,895,337.22 - Step 5: Solve for x
x = 40,731,895,337.22/201,145.36 - Step 6: Final answer
x = 202,499.80
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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.