Finding the Fourth Proportional to 286,000.98, 394,716.36 and 165,141.96
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Solution
The fourth proportional to 286,000.98, 394,716.36 and 165,141.96 is: 227,916.12
Step by Step Solution
- Step 1: Write the proportion equation
286,000.98 : 394,716.36 = 165,141.96 : x - Step 2: Convert to fraction form
286,000.98/394,716.36 = 165,141.96/x - Step 3: Cross multiply
286,000.98x = 394,716.36 × 165,141.96 - Step 4: Simplify right side
286,000.98x = 65,184,233,334.47 - Step 5: Solve for x
x = 65,184,233,334.47/286,000.98 - Step 6: Final answer
x = 227,916.12
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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.