Finding the Fourth Proportional to 187,088.77, 280,743.87 and 68,843.14
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Solution
The fourth proportional to 187,088.77, 280,743.87 and 68,843.14 is: 103,305.45
Step by Step Solution
- Step 1: Write the proportion equation
187,088.77 : 280,743.87 = 68,843.14 : x - Step 2: Convert to fraction form
187,088.77/280,743.87 = 68,843.14/x - Step 3: Cross multiply
187,088.77x = 280,743.87 × 68,843.14 - Step 4: Simplify right side
187,088.77x = 19,327,289,546.55 - Step 5: Solve for x
x = 19,327,289,546.55/187,088.77 - Step 6: Final answer
x = 103,305.45
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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.