Finding the Fourth Proportional to 187,137.14, 280,707.80 and 54,018.63
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Solution
The fourth proportional to 187,137.14, 280,707.80 and 54,018.63 is: 81,028.55
Step by Step Solution
- Step 1: Write the proportion equation
187,137.14 : 280,707.80 = 54,018.63 : x - Step 2: Convert to fraction form
187,137.14/280,707.80 = 54,018.63/x - Step 3: Cross multiply
187,137.14x = 280,707.80 × 54,018.63 - Step 4: Simplify right side
187,137.14x = 15,163,450,516.22 - Step 5: Solve for x
x = 15,163,450,516.22/187,137.14 - Step 6: Final answer
x = 81,028.55
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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.