Finding the Fourth Proportional to 187,392.74, 280,638.68 and 107,187.53
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Solution
The fourth proportional to 187,392.74, 280,638.68 and 107,187.53 is: 160,523.65
Step by Step Solution
- Step 1: Write the proportion equation
187,392.74 : 280,638.68 = 107,187.53 : x - Step 2: Convert to fraction form
187,392.74/280,638.68 = 107,187.53/x - Step 3: Cross multiply
187,392.74x = 280,638.68 × 107,187.53 - Step 4: Simplify right side
187,392.74x = 30,080,964,992.53 - Step 5: Solve for x
x = 30,080,964,992.53/187,392.74 - Step 6: Final answer
x = 160,523.65
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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.