Finding the Fourth Proportional to 189,917.36, 284,675.16 and 71,537.48
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Solution
The fourth proportional to 189,917.36, 284,675.16 and 71,537.48 is: 107,230.55
Step by Step Solution
- Step 1: Write the proportion equation
189,917.36 : 284,675.16 = 71,537.48 : x - Step 2: Convert to fraction form
189,917.36/284,675.16 = 71,537.48/x - Step 3: Cross multiply
189,917.36x = 284,675.16 × 71,537.48 - Step 4: Simplify right side
189,917.36x = 20,364,943,565.00 - Step 5: Solve for x
x = 20,364,943,565.00/189,917.36 - Step 6: Final answer
x = 107,230.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.