Finding the Fourth Proportional to 381,303.28, 571,958.97 and 115,066.14
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Solution
The fourth proportional to 381,303.28, 571,958.97 and 115,066.14 is: 172,600.43
Step by Step Solution
- Step 1: Write the proportion equation
381,303.28 : 571,958.97 = 115,066.14 : x - Step 2: Convert to fraction form
381,303.28/571,958.97 = 115,066.14/x - Step 3: Cross multiply
381,303.28x = 571,958.97 × 115,066.14 - Step 4: Simplify right side
381,303.28x = 65,813,110,916.28 - Step 5: Solve for x
x = 65,813,110,916.28/381,303.28 - Step 6: Final answer
x = 172,600.43
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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.