Finding the Fourth Proportional to 187,186.08, 280,763.34 and 80,565.74
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Solution
The fourth proportional to 187,186.08, 280,763.34 and 80,565.74 is: 120,841.82
Step by Step Solution
- Step 1: Write the proportion equation
187,186.08 : 280,763.34 = 80,565.74 : x - Step 2: Convert to fraction form
187,186.08/280,763.34 = 80,565.74/x - Step 3: Cross multiply
187,186.08x = 280,763.34 × 80,565.74 - Step 4: Simplify right side
187,186.08x = 22,619,906,251.97 - Step 5: Solve for x
x = 22,619,906,251.97/187,186.08 - Step 6: Final answer
x = 120,841.82
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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.