Finding the Fourth Proportional to 187,129.66, 280,660.62 and 53,977.18
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Solution
The fourth proportional to 187,129.66, 280,660.62 and 53,977.18 is: 80,956.00
Step by Step Solution
- Step 1: Write the proportion equation
187,129.66 : 280,660.62 = 53,977.18 : x - Step 2: Convert to fraction form
187,129.66/280,660.62 = 53,977.18/x - Step 3: Cross multiply
187,129.66x = 280,660.62 × 53,977.18 - Step 4: Simplify right side
187,129.66x = 15,149,268,804.65 - Step 5: Solve for x
x = 15,149,268,804.65/187,129.66 - Step 6: Final answer
x = 80,956.00
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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.